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data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Conteníu</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">mover a la barra llateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">despintar</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Entamu</div> </a> </li> <li id="toc-Descripción" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Descripción"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Descripción</span> </div> </a> <ul id="toc-Descripción-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Nomenclatura" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Nomenclatura"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Nomenclatura</span> </div> </a> <ul id="toc-Nomenclatura-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Propiedaes_físiques" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Propiedaes_físiques"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Propiedaes físiques</span> </div> </a> <ul id="toc-Propiedaes_físiques-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Propiedaes_químiques" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Propiedaes_químiques"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Propiedaes químiques</span> </div> </a> <ul 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<label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Cambiar a la tabla de contenidos</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Éster</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Ir a un artículo en otro idioma. Disponible en 78 idiomas" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-78" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">78 llingües</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-af mw-list-item"><a href="https://af.wikipedia.org/wiki/Ester" title="Ester – afrikaans" lang="af" hreflang="af" data-title="Ester" data-language-autonym="Afrikaans" data-language-local-name="afrikaans" class="interlanguage-link-target"><span>Afrikaans</span></a></li><li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A5%D8%B3%D8%AA%D8%B1" title="إستر – árabe" lang="ar" hreflang="ar" data-title="إستر" data-language-autonym="العربية" data-language-local-name="árabe" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-az mw-list-item"><a href="https://az.wikipedia.org/wiki/M%C3%BCr%C9%99kk%C9%99b_efirl%C9%99r" title="Mürəkkəb efirlər – azerbaixanu" lang="az" hreflang="az" data-title="Mürəkkəb efirlər" data-language-autonym="Azərbaycanca" data-language-local-name="azerbaixanu" class="interlanguage-link-target"><span>Azərbaycanca</span></a></li><li class="interlanguage-link interwiki-bcl mw-list-item"><a href="https://bcl.wikipedia.org/wiki/Ester" title="Ester – Central Bikol" lang="bcl" hreflang="bcl" data-title="Ester" data-language-autonym="Bikol Central" data-language-local-name="Central Bikol" class="interlanguage-link-target"><span>Bikol Central</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%AD%D1%81%D1%82%D1%8D%D1%80%D1%8B" title="Эстэры – bielorrusu" lang="be" hreflang="be" data-title="Эстэры" data-language-autonym="Беларуская" data-language-local-name="bielorrusu" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-be-x-old mw-list-item"><a href="https://be-tarask.wikipedia.org/wiki/%D0%A1%D0%BA%D0%BB%D0%B0%D0%B4%D0%B0%D0%BD%D1%8B%D1%8F_%D1%8D%D1%82%D1%8D%D1%80%D1%8B" title="Складаныя этэры – Belarusian (Taraškievica orthography)" lang="be-tarask" hreflang="be-tarask" data-title="Складаныя этэры" data-language-autonym="Беларуская (тарашкевіца)" data-language-local-name="Belarusian (Taraškievica orthography)" class="interlanguage-link-target"><span>Беларуская (тарашкевіца)</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%95%D1%81%D1%82%D0%B5%D1%80" title="Естер – búlgaru" lang="bg" hreflang="bg" data-title="Естер" data-language-autonym="Български" data-language-local-name="búlgaru" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Ester" title="Ester – bosniu" lang="bs" hreflang="bs" data-title="Ester" data-language-autonym="Bosanski" data-language-local-name="bosniu" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/%C3%88ster" title="Èster – catalán" lang="ca" hreflang="ca" data-title="Èster" data-language-autonym="Català" data-language-local-name="catalán" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-ckb mw-list-item"><a href="https://ckb.wikipedia.org/wiki/%D8%A6%DB%95%D8%B3%D8%AA%DB%95%D8%B1" title="ئەستەر – kurdu central" lang="ckb" hreflang="ckb" data-title="ئەستەر" data-language-autonym="کوردی" data-language-local-name="kurdu central" class="interlanguage-link-target"><span>کوردی</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Estery" title="Estery – checu" lang="cs" hreflang="cs" data-title="Estery" data-language-autonym="Čeština" data-language-local-name="checu" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-cy mw-list-item"><a href="https://cy.wikipedia.org/wiki/Ester" title="Ester – galés" lang="cy" hreflang="cy" data-title="Ester" data-language-autonym="Cymraeg" data-language-local-name="galés" class="interlanguage-link-target"><span>Cymraeg</span></a></li><li class="interlanguage-link interwiki-da mw-list-item"><a href="https://da.wikipedia.org/wiki/Ester_(kemi)" title="Ester (kemi) – danés" lang="da" hreflang="da" data-title="Ester (kemi)" data-language-autonym="Dansk" data-language-local-name="danés" class="interlanguage-link-target"><span>Dansk</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Ester" title="Ester – alemán" lang="de" hreflang="de" data-title="Ester" data-language-autonym="Deutsch" data-language-local-name="alemán" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-el mw-list-item"><a href="https://el.wikipedia.org/wiki/%CE%95%CF%83%CF%84%CE%AD%CF%81%CE%B5%CF%82" title="Εστέρες – griegu" lang="el" hreflang="el" data-title="Εστέρες" data-language-autonym="Ελληνικά" data-language-local-name="griegu" class="interlanguage-link-target"><span>Ελληνικά</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Ester" title="Ester – inglés" lang="en" hreflang="en" data-title="Ester" data-language-autonym="English" data-language-local-name="inglés" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo mw-list-item"><a href="https://eo.wikipedia.org/wiki/Estero" title="Estero – esperanto" lang="eo" hreflang="eo" data-title="Estero" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/%C3%89ster" title="Éster – español" lang="es" hreflang="es" data-title="Éster" data-language-autonym="Español" data-language-local-name="español" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Estrid" title="Estrid – estoniu" lang="et" hreflang="et" data-title="Estrid" data-language-autonym="Eesti" data-language-local-name="estoniu" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Ester" title="Ester – vascu" lang="eu" hreflang="eu" data-title="Ester" data-language-autonym="Euskara" data-language-local-name="vascu" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A7%D8%B3%D8%AA%D8%B1_(%D8%B4%DB%8C%D9%85%DB%8C)" title="استر (شیمی) – persa" lang="fa" hreflang="fa" data-title="استر (شیمی)" data-language-autonym="فارسی" data-language-local-name="persa" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Esterit" title="Esterit – finlandés" lang="fi" hreflang="fi" data-title="Esterit" data-language-autonym="Suomi" data-language-local-name="finlandés" class="interlanguage-link-target"><span>Suomi</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Ester" title="Ester – francés" lang="fr" hreflang="fr" data-title="Ester" data-language-autonym="Français" data-language-local-name="francés" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-frr mw-list-item"><a href="https://frr.wikipedia.org/wiki/Ester" title="Ester – frisón del norte" lang="frr" hreflang="frr" data-title="Ester" data-language-autonym="Nordfriisk" data-language-local-name="frisón del norte" class="interlanguage-link-target"><span>Nordfriisk</span></a></li><li class="interlanguage-link interwiki-fy mw-list-item"><a href="https://fy.wikipedia.org/wiki/Ester_(skiekunde)" title="Ester (skiekunde) – frisón occidental" lang="fy" hreflang="fy" data-title="Ester (skiekunde)" data-language-autonym="Frysk" data-language-local-name="frisón occidental" class="interlanguage-link-target"><span>Frysk</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Eistear" title="Eistear – irlandés" lang="ga" hreflang="ga" data-title="Eistear" data-language-autonym="Gaeilge" data-language-local-name="irlandés" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/%C3%89ster" title="Éster – gallegu" lang="gl" hreflang="gl" data-title="Éster" data-language-autonym="Galego" data-language-local-name="gallegu" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%90%D7%A1%D7%98%D7%A8" title="אסטר – hebréu" lang="he" hreflang="he" data-title="אסטר" data-language-autonym="עברית" data-language-local-name="hebréu" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%8F%E0%A4%B8%E0%A5%8D%E0%A4%9F%E0%A4%B0" title="एस्टर – hindi" lang="hi" hreflang="hi" data-title="एस्टर" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hr mw-list-item"><a href="https://hr.wikipedia.org/wiki/Esteri" title="Esteri – croata" lang="hr" hreflang="hr" data-title="Esteri" data-language-autonym="Hrvatski" data-language-local-name="croata" class="interlanguage-link-target"><span>Hrvatski</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Est%C3%A8" title="Estè – haitianu" lang="ht" hreflang="ht" data-title="Estè" data-language-autonym="Kreyòl ayisyen" data-language-local-name="haitianu" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/%C3%89szterek" title="Észterek – húngaru" lang="hu" hreflang="hu" data-title="Észterek" data-language-autonym="Magyar" data-language-local-name="húngaru" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-hy mw-list-item"><a href="https://hy.wikipedia.org/wiki/%D4%B7%D5%BD%D5%A9%D5%A5%D6%80%D5%B6%D5%A5%D6%80" title="Էսթերներ – armeniu" lang="hy" hreflang="hy" data-title="Էսթերներ" data-language-autonym="Հայերեն" data-language-local-name="armeniu" class="interlanguage-link-target"><span>Հայերեն</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Ester_(kimia)" title="Ester (kimia) – indonesiu" lang="id" hreflang="id" data-title="Ester (kimia)" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonesiu" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-is mw-list-item"><a href="https://is.wikipedia.org/wiki/Estri" title="Estri – islandés" lang="is" hreflang="is" data-title="Estri" data-language-autonym="Íslenska" data-language-local-name="islandés" class="interlanguage-link-target"><span>Íslenska</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Esteri" title="Esteri – italianu" lang="it" hreflang="it" data-title="Esteri" data-language-autonym="Italiano" data-language-local-name="italianu" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%A8%E3%82%B9%E3%83%86%E3%83%AB" title="エステル – xaponés" lang="ja" hreflang="ja" data-title="エステル" data-language-autonym="日本語" data-language-local-name="xaponés" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-kk mw-list-item"><a href="https://kk.wikipedia.org/wiki/%D0%9A%D2%AF%D1%80%D0%B4%D0%B5%D0%BB%D1%96_%D1%8D%D1%84%D0%B8%D1%80%D0%BB%D0%B5%D1%80" title="Күрделі эфирлер – kazaquistanín" lang="kk" hreflang="kk" data-title="Күрделі эфирлер" data-language-autonym="Қазақша" data-language-local-name="kazaquistanín" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EC%97%90%EC%8A%A4%ED%84%B0" title="에스터 – coreanu" lang="ko" hreflang="ko" data-title="에스터" data-language-autonym="한국어" data-language-local-name="coreanu" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-la mw-list-item"><a href="https://la.wikipedia.org/wiki/Ester" title="Ester – llatín" lang="la" hreflang="la" data-title="Ester" data-language-autonym="Latina" data-language-local-name="llatín" class="interlanguage-link-target"><span>Latina</span></a></li><li class="interlanguage-link interwiki-lmo mw-list-item"><a href="https://lmo.wikipedia.org/wiki/Ester" title="Ester – lombardu" lang="lmo" hreflang="lmo" data-title="Ester" data-language-autonym="Lombard" data-language-local-name="lombardu" class="interlanguage-link-target"><span>Lombard</span></a></li><li class="interlanguage-link interwiki-lt mw-list-item"><a href="https://lt.wikipedia.org/wiki/Esteris" title="Esteris – lituanu" lang="lt" hreflang="lt" data-title="Esteris" data-language-autonym="Lietuvių" data-language-local-name="lituanu" class="interlanguage-link-target"><span>Lietuvių</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Esteri" title="Esteri – letón" lang="lv" hreflang="lv" data-title="Esteri" data-language-autonym="Latviešu" data-language-local-name="letón" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-mk mw-list-item"><a href="https://mk.wikipedia.org/wiki/%D0%95%D1%81%D1%82%D0%B5%D1%80" title="Естер – macedoniu" lang="mk" hreflang="mk" data-title="Естер" data-language-autonym="Македонски" data-language-local-name="macedoniu" class="interlanguage-link-target"><span>Македонски</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%8E%E0%B4%B8%E0%B5%8D%E0%B4%B1%E0%B5%8D%E0%B4%B1%E0%B5%BC" title="എസ്റ്റർ – malayalam" lang="ml" hreflang="ml" data-title="എസ്റ്റർ" data-language-autonym="മലയാളം" data-language-local-name="malayalam" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-ms mw-list-item"><a href="https://ms.wikipedia.org/wiki/Ester" title="Ester – malayu" lang="ms" hreflang="ms" data-title="Ester" data-language-autonym="Bahasa Melayu" data-language-local-name="malayu" class="interlanguage-link-target"><span>Bahasa Melayu</span></a></li><li class="interlanguage-link interwiki-nds mw-list-item"><a href="https://nds.wikipedia.org/wiki/Ester" title="Ester – baxu alemán" lang="nds" hreflang="nds" data-title="Ester" data-language-autonym="Plattdüütsch" data-language-local-name="baxu alemán" class="interlanguage-link-target"><span>Plattdüütsch</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Ester_(scheikunde)" title="Ester (scheikunde) – neerlandés" lang="nl" hreflang="nl" data-title="Ester (scheikunde)" data-language-autonym="Nederlands" data-language-local-name="neerlandés" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-nn mw-list-item"><a href="https://nn.wikipedia.org/wiki/Ester" title="Ester – noruegu Nynorsk" lang="nn" hreflang="nn" data-title="Ester" data-language-autonym="Norsk nynorsk" data-language-local-name="noruegu Nynorsk" class="interlanguage-link-target"><span>Norsk nynorsk</span></a></li><li class="interlanguage-link interwiki-no mw-list-item"><a href="https://no.wikipedia.org/wiki/Ester" title="Ester – noruegu Bokmål" lang="nb" hreflang="nb" data-title="Ester" data-language-autonym="Norsk bokmål" data-language-local-name="noruegu Bokmål" class="interlanguage-link-target"><span>Norsk bokmål</span></a></li><li class="interlanguage-link interwiki-oc mw-list-item"><a href="https://oc.wikipedia.org/wiki/Est%C3%A8r" title="Estèr – occitanu" lang="oc" hreflang="oc" data-title="Estèr" data-language-autonym="Occitan" data-language-local-name="occitanu" class="interlanguage-link-target"><span>Occitan</span></a></li><li class="interlanguage-link interwiki-pa mw-list-item"><a href="https://pa.wikipedia.org/wiki/%E0%A8%90%E0%A8%B8%E0%A8%9F%E0%A8%B0" title="ਐਸਟਰ – punyabí" lang="pa" hreflang="pa" data-title="ਐਸਟਰ" data-language-autonym="ਪੰਜਾਬੀ" data-language-local-name="punyabí" class="interlanguage-link-target"><span>ਪੰਜਾਬੀ</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Estry" title="Estry – polacu" lang="pl" hreflang="pl" data-title="Estry" data-language-autonym="Polski" data-language-local-name="polacu" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ps mw-list-item"><a href="https://ps.wikipedia.org/wiki/%D8%A7%DB%8C%D8%B3%D8%AA%D8%B1" title="ایستر – pashtu" lang="ps" hreflang="ps" data-title="ایستر" data-language-autonym="پښتو" data-language-local-name="pashtu" class="interlanguage-link-target"><span>پښتو</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/%C3%89ster" title="Éster – portugués" lang="pt" hreflang="pt" data-title="Éster" data-language-autonym="Português" data-language-local-name="portugués" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Ester" title="Ester – rumanu" lang="ro" hreflang="ro" data-title="Ester" data-language-autonym="Română" data-language-local-name="rumanu" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A1%D0%BB%D0%BE%D0%B6%D0%BD%D1%8B%D0%B5_%D1%8D%D1%84%D0%B8%D1%80%D1%8B" title="Сложные эфиры – rusu" lang="ru" hreflang="ru" data-title="Сложные эфиры" data-language-autonym="Русский" data-language-local-name="rusu" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Estri" title="Estri – serbo-croata" lang="sh" hreflang="sh" data-title="Estri" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="serbo-croata" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Ester" title="Ester – Simple English" lang="en-simple" hreflang="en-simple" data-title="Ester" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sk mw-list-item"><a href="https://sk.wikipedia.org/wiki/Ester_(chemick%C3%A1_zl%C3%BA%C4%8Denina)" title="Ester (chemická zlúčenina) – eslovacu" lang="sk" hreflang="sk" data-title="Ester (chemická zlúčenina)" data-language-autonym="Slovenčina" data-language-local-name="eslovacu" class="interlanguage-link-target"><span>Slovenčina</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Ester" title="Ester – eslovenu" lang="sl" hreflang="sl" data-title="Ester" data-language-autonym="Slovenščina" data-language-local-name="eslovenu" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sq mw-list-item"><a href="https://sq.wikipedia.org/wiki/Esteret" title="Esteret – albanu" lang="sq" hreflang="sq" data-title="Esteret" data-language-autonym="Shqip" data-language-local-name="albanu" class="interlanguage-link-target"><span>Shqip</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Estar" title="Estar – serbiu" lang="sr" hreflang="sr" data-title="Estar" data-language-autonym="Српски / srpski" data-language-local-name="serbiu" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-su mw-list-item"><a href="https://su.wikipedia.org/wiki/%C3%89ster" title="Éster – sondanés" lang="su" hreflang="su" data-title="Éster" data-language-autonym="Sunda" data-language-local-name="sondanés" class="interlanguage-link-target"><span>Sunda</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Estrar" title="Estrar – suecu" lang="sv" hreflang="sv" data-title="Estrar" data-language-autonym="Svenska" data-language-local-name="suecu" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-ta mw-list-item"><a href="https://ta.wikipedia.org/wiki/%E0%AE%8E%E0%AE%9A%E0%AF%81%E0%AE%A4%E0%AF%8D%E0%AE%A4%E0%AE%B0%E0%AF%8D" title="எசுத்தர் – tamil" lang="ta" hreflang="ta" data-title="எசுத்தர்" data-language-autonym="தமிழ்" data-language-local-name="tamil" class="interlanguage-link-target"><span>தமிழ்</span></a></li><li class="interlanguage-link interwiki-te mw-list-item"><a href="https://te.wikipedia.org/wiki/%E0%B0%8E%E0%B0%B8%E0%B1%8D%E0%B0%9F%E0%B0%B0%E0%B1%8D" title="ఎస్టర్ – telugu" lang="te" hreflang="te" data-title="ఎస్టర్" data-language-autonym="తెలుగు" data-language-local-name="telugu" class="interlanguage-link-target"><span>తెలుగు</span></a></li><li class="interlanguage-link interwiki-th mw-list-item"><a href="https://th.wikipedia.org/wiki/%E0%B9%80%E0%B8%AD%E0%B8%AA%E0%B9%80%E0%B8%97%E0%B8%AD%E0%B8%A3%E0%B9%8C" title="เอสเทอร์ – tailandés" lang="th" hreflang="th" data-title="เอสเทอร์" data-language-autonym="ไทย" data-language-local-name="tailandés" class="interlanguage-link-target"><span>ไทย</span></a></li><li class="interlanguage-link interwiki-tr mw-list-item"><a href="https://tr.wikipedia.org/wiki/Ester" title="Ester – turcu" lang="tr" hreflang="tr" data-title="Ester" data-language-autonym="Türkçe" data-language-local-name="turcu" class="interlanguage-link-target"><span>Türkçe</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%95%D1%81%D1%82%D0%B5%D1%80%D0%B8" title="Естери – ucraín" lang="uk" hreflang="uk" data-title="Естери" data-language-autonym="Українська" data-language-local-name="ucraín" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-ur mw-list-item"><a href="https://ur.wikipedia.org/wiki/%D8%A7%D8%B3%D9%B9%D8%B1" title="اسٹر – urdu" lang="ur" hreflang="ur" data-title="اسٹر" data-language-autonym="اردو" data-language-local-name="urdu" class="interlanguage-link-target"><span>اردو</span></a></li><li class="interlanguage-link interwiki-vi mw-list-item"><a href="https://vi.wikipedia.org/wiki/Ester" title="Ester – vietnamín" lang="vi" hreflang="vi" data-title="Ester" data-language-autonym="Tiếng Việt" data-language-local-name="vietnamín" class="interlanguage-link-target"><span>Tiếng Việt</span></a></li><li class="interlanguage-link interwiki-war mw-list-item"><a href="https://war.wikipedia.org/wiki/Ester" title="Ester – waray" lang="war" hreflang="war" data-title="Ester" data-language-autonym="Winaray" data-language-local-name="waray" class="interlanguage-link-target"><span>Winaray</span></a></li><li class="interlanguage-link interwiki-wuu mw-list-item"><a href="https://wuu.wikipedia.org/wiki/%E9%85%AF" title="酯 – chinu wu" lang="wuu" hreflang="wuu" data-title="酯" data-language-autonym="吴语" data-language-local-name="chinu wu" class="interlanguage-link-target"><span>吴语</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/%E9%85%AF" title="酯 – chinu" lang="zh" hreflang="zh" data-title="酯" data-language-autonym="中文" data-language-local-name="chinu" class="interlanguage-link-target"><span>中文</span></a></li><li class="interlanguage-link interwiki-zh-classical mw-list-item"><a href="https://zh-classical.wikipedia.org/wiki/%E9%85%AF" title="酯 – chinu lliterariu" lang="lzh" hreflang="lzh" data-title="酯" data-language-autonym="文言" data-language-local-name="chinu lliterariu" class="interlanguage-link-target"><span>文言</span></a></li><li class="interlanguage-link interwiki-zh-min-nan mw-list-item"><a href="https://zh-min-nan.wikipedia.org/wiki/Ester" title="Ester – chinu min nan" lang="nan" hreflang="nan" data-title="Ester" data-language-autonym="閩南語 / Bân-lâm-gú" data-language-local-name="chinu min nan" class="interlanguage-link-target"><span>閩南語 / Bân-lâm-gú</span></a></li><li class="interlanguage-link interwiki-zh-yue mw-list-item"><a href="https://zh-yue.wikipedia.org/wiki/%E9%85%AF" title="酯 – cantonés" lang="yue" hreflang="yue" data-title="酯" data-language-autonym="粵語" data-language-local-name="cantonés" class="interlanguage-link-target"><span>粵語</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q101487#sitelinks-wikipedia" title="Editar los enllaces d'interllingua" class="wbc-editpage">Editar los enllaces</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Espacios de nome"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%C3%89ster" title="Ver la páxina de conteníu [c]" accesskey="c"><span>Páxina</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Alderique:%C3%89ster&action=edit&redlink=1" rel="discussion" class="new" title="Alderique tocante al conteníu de la páxina (la páxina nun esiste) [t]" accesskey="t"><span>Alderique</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Cambiar variante de idioma" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">asturianu</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Vistes"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/%C3%89ster"><span>Lleer</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%C3%89ster&veaction=edit" title="Editar esta páxina [v]" accesskey="v"><span>Editar</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%C3%89ster&action=edit" title="Editar el códigu fonte d'esta páxina [e]" accesskey="e"><span>Editar la fonte</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=%C3%89ster&action=history" title="Versiones antigües d'esta páxina [h]" accesskey="h"><span>Ver historial</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Ferramientes de páxina"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Ferramientes" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Ferramientes</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Ferramientes</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">mover a la barra llateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">despintar</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Más opciones" > <div class="vector-menu-heading"> Aiciones </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/%C3%89ster"><span>Lleer</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%C3%89ster&veaction=edit" title="Editar esta páxina [v]" accesskey="v"><span>Editar</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%C3%89ster&action=edit" title="Editar el códigu fonte d'esta páxina [e]" accesskey="e"><span>Editar la fonte</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=%C3%89ster&action=history"><span>Ver historial</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Xeneral </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Especial:LoQueEnlazaAqu%C3%AD/%C3%89ster" title="Llista de toles páxines wiki qu'enllacien equí [j]" accesskey="j"><span>Lo qu'enllaza equí</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Especial:CambiosEnEnlazadas/%C3%89ster" rel="nofollow" title="Cambios recientes nes páxines enllazaes dende esta [k]" accesskey="k"><span>Cambios rellacionaos</span></a></li><li id="t-upload" class="mw-list-item"><a href="//commons.wikimedia.org/wiki/Special:UploadWizard?uselang=ast" title="Xubir ficheros [u]" accesskey="u"><span>Xubir ficheru</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=%C3%89ster&oldid=4235526" title="Enllaz permanente a esta revisión de la páxina"><span>Enllaz permanente</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=%C3%89ster&action=info" title="Más información sobro esta páxina"><span>Información de la páxina</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Especial:Citar&page=%C3%89ster&id=4235526&wpFormIdentifier=titleform" title="Información tocante a cómo citar esta páxina"><span>Citar esta páxina</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Especial:Acortador_de_URL&url=https%3A%2F%2Fast.wikipedia.org%2Fwiki%2F%25C3%2589ster"><span>Llograr la URL encurtiada</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Especial:QrCode&url=https%3A%2F%2Fast.wikipedia.org%2Fwiki%2F%25C3%2589ster"><span>Xenerar códigu QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Imprentar/esportar </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Especial:Libro&bookcmd=book_creator&referer=%C3%89ster"><span>Crear un llibru</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Especial:DownloadAsPdf&page=%C3%89ster&action=show-download-screen"><span>Descargar como PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=%C3%89ster&printable=yes" title="Versión imprentable d'esta páxina [p]" accesskey="p"><span>Versión pa imprentar</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> N'otros proyeutos </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Esters" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q101487" title="Enllaz al elementu del depósitu de datos coneutáu [g]" accesskey="g"><span>Elementu de Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Ferramientes de páxina"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Apariencia"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Apariencia</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">mover a la barra llateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">despintar</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> <div id="mw-indicator-tradubot" class="mw-indicator"><div class="mw-parser-output"><span typeof="mw:File"><a href="https://es.wikipedia.org/wiki/%C3%89ster" title="Esti artículu foi traducíu automáticamente y precisa revisase manualmente"><img alt="Esti artículu foi traducíu automáticamente y precisa revisase manualmente" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/05/Robot_icon.svg/16px-Robot_icon.svg.png" decoding="async" width="16" height="16" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/05/Robot_icon.svg/24px-Robot_icon.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/05/Robot_icon.svg/32px-Robot_icon.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span></div></div> </div> <div id="siteSub" class="noprint">De Wikipedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="ast" dir="ltr"><table class="infobox plantia-xenerica" style="font-size:90%;width:25em"><tbody><tr><th colspan="2" style="text-align:center;font-size:125%;font-weight:bold;background-color: #acacac">Éster</th></tr><tr><td colspan="2" style="text-align:center;background-color: #cdcdcd"> clase estructural de compuestos químicos <sup>(es)</sup> <span class="mw-valign-baseline skin-invert" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q47154513?uselang=ast" title="Traducir"><img alt="Traducir" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/10px-Noun_Project_label_icon_1116097_cc_mirror.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/15px-Noun_Project_label_icon_1116097_cc_mirror.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/20px-Noun_Project_label_icon_1116097_cc_mirror.svg.png 2x" data-file-width="158" data-file-height="161" /></a></span></td></tr><tr><td colspan="2" style="text-align:center;background-color: #cdcdcd"> organooxygen compound <sup>(en)</sup> <span class="mw-valign-baseline skin-invert" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q71574018?uselang=ast" title="Traducir"><img alt="Traducir" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/10px-Noun_Project_label_icon_1116097_cc_mirror.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/15px-Noun_Project_label_icon_1116097_cc_mirror.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/20px-Noun_Project_label_icon_1116097_cc_mirror.svg.png 2x" data-file-width="158" data-file-height="161" /></a></span>, oxoacid derivative <sup>(en)</sup> <span class="mw-valign-baseline skin-invert" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q113547463?uselang=ast" title="Traducir"><img alt="Traducir" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/10px-Noun_Project_label_icon_1116097_cc_mirror.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/15px-Noun_Project_label_icon_1116097_cc_mirror.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/20px-Noun_Project_label_icon_1116097_cc_mirror.svg.png 2x" data-file-width="158" data-file-height="161" /></a></span> y oxo compound <sup>(en)</sup> <span class="mw-valign-baseline skin-invert" typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q19885597?uselang=ast" title="Traducir"><img alt="Traducir" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/10px-Noun_Project_label_icon_1116097_cc_mirror.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/15px-Noun_Project_label_icon_1116097_cc_mirror.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/70/Noun_Project_label_icon_1116097_cc_mirror.svg/20px-Noun_Project_label_icon_1116097_cc_mirror.svg.png 2x" data-file-width="158" data-file-height="161" /></a></span></td></tr><tr><td colspan="2" style="text-align:right"><span typeof="mw:File"><a href="https://www.wikidata.org/wiki/Q101487" title="Cambiar los datos en Wikidata"><img alt="Cambiar los datos en Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/12px-Arbcom_ru_editing.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/18px-Arbcom_ru_editing.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Arbcom_ru_editing.svg/24px-Arbcom_ru_editing.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></td></tr></tbody></table> <figure typeof="mw:File/Thumb"><a href="/wiki/Ficheru:Ester.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/58/Ester.svg/150px-Ester.svg.png" decoding="async" width="150" height="111" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/58/Ester.svg/225px-Ester.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/58/Ester.svg/300px-Ester.svg.png 2x" data-file-width="440" data-file-height="325" /></a><figcaption><a href="/w/index.php?title=F%C3%B3rmula_xeneral_(qu%C3%ADmica)&action=edit&redlink=1" class="new" title="Fórmula xeneral (química) (la páxina nun esiste)">Fórmula xeneral</a> d'un éster.</figcaption></figure> <p>Los <b>ésteres</b> son <a href="/w/index.php?title=Compuestos_org%C3%A1nicos&action=edit&redlink=1" class="new" title="Compuestos orgánicos (la páxina nun esiste)">compuestos orgánicos</a> derivaos de <a href="/wiki/Petroleu" title="Petroleu">petroleu</a> o <a href="/w/index.php?title=Ox%C3%A1cido&action=edit&redlink=1" class="new" title="Oxácido (la páxina nun esiste)">inorgánicos</a> osixenaos nos cualos unu o más <a href="/wiki/Protones" class="mw-redirect" title="Protones">protones</a> son sustituyíos por <a href="/w/index.php?title=Grupu_arriendo&action=edit&redlink=1" class="new" title="Grupu arriendo (la páxina nun esiste)">grupos orgánicos arriendo</a> (simbolizaos por R'). </p><p>Etimológicamente, la pallabra "éster" provién del <a href="/wiki/Idioma_alem%C3%A1n" title="Idioma alemán">alemán</a> <b>Ye</b>sig-Ä<b>ther</b> (<i>éter de vinagre</i>), como se llamaba d'antiguo al <a href="/w/index.php?title=Acetato_de_etilo&action=edit&redlink=1" class="new" title="Acetato de etilo (la páxina nun esiste)">acetato de etilo</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Descripción"><span id="Descripci.C3.B3n"></span>Descripción</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%C3%89ster&veaction=edit&section=1" title="Editar seición: Descripción" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%C3%89ster&action=edit&section=1" title="Editar el código fuente de la sección: Descripción"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Nos ésteres más comunes l'ácidu en cuestión ye un <a href="/wiki/Acedu_carbox%C3%ADlico" class="mw-redirect" title="Acedu carboxílico">acedu carboxílico</a>. Por casu, si l'ácidu ye'l <a href="/wiki/Acedu_ac%C3%A9tico" class="mw-redirect" title="Acedu acético">acedu etanoico o acético</a>, el éster ye denomináu como etanoato o <a href="/w/index.php?title=Acetato&action=edit&redlink=1" class="new" title="Acetato (la páxina nun esiste)">acetato</a>. Los ésteres tamién pueden formase con ácidos inorgánicos, como l'ácidu carbónico (anicia ésteres carbónicos), l'ácidu fosfórico (ésteres fosfóricos) o'l <a href="/wiki/%C3%81cidu_sulf%C3%BArico" title="Ácidu sulfúrico">ácidu sulfúrico</a>. Por casu, el <a href="/w/index.php?title=Sulfatu_de_dimetilo&action=edit&redlink=1" class="new" title="Sulfatu de dimetilo (la páxina nun esiste)">sulfatu de dimetilo</a> ye un éster, dacuando llamáu "éster dimetílico del <a href="/wiki/%C3%81cidu_sulf%C3%BArico" title="Ácidu sulfúrico">ácidu sulfúrico</a>". </p> <table class="wikitable" rules="all" cellpadding="1" border="1" style="font-size:95%; margin-left:20px"> <tbody><tr> <th>Éster<br /> <p><small>(éster d'ácidu carboxílico)</small> </p> </th> <th><a href="/w/index.php?title=%C3%89ster_carb%C3%B3nicu&action=edit&redlink=1" class="new" title="Éster carbónicu (la páxina nun esiste)">Éster carbónicu</a><br /> <p><small>(éster d'ácidu carbónico)</small> </p> </th> <th><a href="/w/index.php?title=%C3%89ster_fosf%C3%B3ricu&action=edit&redlink=1" class="new" title="Éster fosfóricu (la páxina nun esiste)">Éster fosfóricu</a><br /> <p><small>(triéster d'ácidu fosfórico)</small> </p> </th> <th><a href="/w/index.php?title=%C3%89ster_sulf%C3%BAricu&action=edit&redlink=1" class="new" title="Éster sulfúricu (la páxina nun esiste)">Éster sulfúricu</a><br /> <p><small>(diéster d'ácidu sulfúrico)</small> </p> </th></tr> <tr> <td align="center"><span typeof="mw:File"><a href="/wiki/Ficheru:Ester.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/58/Ester.svg/120px-Ester.svg.png" decoding="async" width="120" height="89" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/58/Ester.svg/180px-Ester.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/58/Ester.svg/240px-Ester.svg.png 2x" data-file-width="440" data-file-height="325" /></a></span> </td> <td align="center"><span typeof="mw:File"><a href="/wiki/Ficheru:Organocarbonate-2D-general.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Organocarbonate-2D-general.png/120px-Organocarbonate-2D-general.png" decoding="async" width="120" height="78" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/63/Organocarbonate-2D-general.png/180px-Organocarbonate-2D-general.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/63/Organocarbonate-2D-general.png/240px-Organocarbonate-2D-general.png 2x" data-file-width="1100" data-file-height="711" /></a></span> </td> <td align="center"><span typeof="mw:File"><a href="/wiki/Ficheru:Phosphate_ester.PNG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/2f/Phosphate_ester.PNG/120px-Phosphate_ester.PNG" decoding="async" width="120" height="100" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/2/2f/Phosphate_ester.PNG 1.5x" data-file-width="150" data-file-height="125" /></a></span> </td> <td align="center"><span typeof="mw:File"><a href="/wiki/Ficheru:Organosulfate.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/9/93/Organosulfate.png/120px-Organosulfate.png" decoding="async" width="120" height="85" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/93/Organosulfate.png/180px-Organosulfate.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/93/Organosulfate.png/240px-Organosulfate.png 2x" data-file-width="1258" data-file-height="893" /></a></span> </td></tr></tbody></table> <p>Un ensayu recomendable pa detectar ésteres ye la formación de <a href="/w/index.php?title=Hidroxamatos_f%C3%A9rricos&action=edit&redlink=1" class="new" title="Hidroxamatos férricos (la páxina nun esiste)">hidroxamatos férricos</a>, fáciles de reconocer yá que son bien coloriaos: </p><p>Ensayu del ácidu hidroxámico: la primer etapa de la reacción ye la conversión del éster nun ácidu hidroxámico (catalizado por base). Nel siguiente pasu ésti reacciona con tricloruro de fierro produciendo un hidroxamato d'intensu color coloráu-violeta. </p><p>En <a href="/wiki/Bioqu%C3%ADmica" title="Bioquímica">bioquímica</a> son el productu de la <a href="/wiki/Reacci%C3%B3n_qu%C3%ADmica" class="mw-redirect" title="Reacción química">reacción</a> ente los <a href="/w/index.php?title=%C3%81cidu_grasu&action=edit&redlink=1" class="new" title="Ácidu grasu (la páxina nun esiste)">ácidos grasos</a> y los <a href="/wiki/Alcohol" title="Alcohol">alcoholes</a>. </p><p>Na formación de ésteres, cada radical -OH (<a href="/w/index.php?title=Grupu_hidroxilo&action=edit&redlink=1" class="new" title="Grupu hidroxilo (la páxina nun esiste)">grupu hidroxilo</a>) del radical del alcohol sustituyir pola cadena -COO del ácidu grasu. El H sobrante del <a href="/w/index.php?title=Grupu_carboxilo&action=edit&redlink=1" class="new" title="Grupu carboxilo (la páxina nun esiste)">grupu carboxilo</a>, combinar col OH sustituyíu, formando <a href="/wiki/Agua" title="Agua">agua</a>. </p><p>En <a href="/wiki/Qu%C3%ADmica_org%C3%A1nica" title="Química orgánica">química orgánica</a> y <a href="/wiki/Bioqu%C3%ADmica" title="Bioquímica">bioquímica</a> los <b>ésteres</b> son un <a href="/wiki/Grupu_funcional" title="Grupu funcional">grupu funcional</a> compuestu d'un radical <a href="/wiki/Compuestu_org%C3%A1nicu" title="Compuestu orgánicu">orgánicu</a> xuníu a la residuu de cualesquier <a href="/wiki/%C3%81cidu" title="Ácidu">ácidu</a> <a href="/wiki/Os%C3%ADxenu" class="mw-redirect" title="Osíxenu">osixenáu</a>, orgánicu o inorgánicu. Los ésteres más comúnmente atopaos na naturaleza son les <a href="/wiki/Grasa" title="Grasa">grases</a>, que son ésteres de <a href="/w/index.php?title=Glicerina&action=edit&redlink=1" class="new" title="Glicerina (la páxina nun esiste)">glicerina</a> y <a href="/w/index.php?title=%C3%81cidu_grasu&action=edit&redlink=1" class="new" title="Ácidu grasu (la páxina nun esiste)">ácidos grasos</a> (<a href="/w/index.php?title=Acedu_oleico&action=edit&redlink=1" class="new" title="Acedu oleico (la páxina nun esiste)">acedu oleico</a>, <a href="/w/index.php?title=Acedu_este%C3%A1rico&action=edit&redlink=1" class="new" title="Acedu esteárico (la páxina nun esiste)">acedu esteárico</a>, etc.) </p><p>Principalmente resultante de la <a href="/w/index.php?title=Reacci%C3%B3n_de_condensaci%C3%B3n&action=edit&redlink=1" class="new" title="Reacción de condensación (la páxina nun esiste)">condensación</a> d'un <a href="/wiki/Acedu_carbox%C3%ADlico" class="mw-redirect" title="Acedu carboxílico">acedu carboxílico</a> y un <a href="/wiki/Alcohol" title="Alcohol">alcohol</a>. El procesu denominar <a href="/w/index.php?title=Esterificaci%C3%B3n&action=edit&redlink=1" class="new" title="Esterificación (la páxina nun esiste)">esterificación</a>. Un éster cíclicu ye una <a href="/w/index.php?title=Lactona&action=edit&redlink=1" class="new" title="Lactona (la páxina nun esiste)">lactona</a>. </p> <figure class="mw-halign-center" typeof="mw:File/Thumb"><a href="/wiki/Ficheru:Acide_alcohol_reaction.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c5/Acide_alcohol_reaction.svg/500px-Acide_alcohol_reaction.svg.png" decoding="async" width="500" height="91" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c5/Acide_alcohol_reaction.svg/750px-Acide_alcohol_reaction.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c5/Acide_alcohol_reaction.svg/1000px-Acide_alcohol_reaction.svg.png 2x" data-file-width="1516" data-file-height="276" /></a><figcaption>Reacción de esterificación.</figcaption></figure> <div class="mw-heading mw-heading2"><h2 id="Nomenclatura">Nomenclatura</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%C3%89ster&veaction=edit&section=2" title="Editar seición: Nomenclatura" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%C3%89ster&action=edit&section=2" title="Editar el código fuente de la sección: Nomenclatura"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <figure class="mw-halign-left" typeof="mw:File/Thumb"><a href="/wiki/Ficheru:Methyl-acetate-2D-structure.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/1/14/Methyl-acetate-2D-structure.svg/250px-Methyl-acetate-2D-structure.svg.png" decoding="async" width="180" height="95" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/1/14/Methyl-acetate-2D-structure.svg/270px-Methyl-acetate-2D-structure.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/1/14/Methyl-acetate-2D-structure.svg/360px-Methyl-acetate-2D-structure.svg.png 2x" data-file-width="257" data-file-height="135" /></a><figcaption>Etanoato de metilu.</figcaption></figure> <p>La nomenclatura de los ésteres deriva del ácidu carboxílico y l'alcohol de los que procede. Asina, nel etanoato (o acetato) de metilu atopamos dos partes nel so nome: </p> <ul><li>La primer parte del nome, <i>etanoato (o acetato)</i>, provién del <a href="/w/index.php?title=Acedu_etanoico&action=edit&redlink=1" class="new" title="Acedu etanoico (la páxina nun esiste)">acedu etanoico</a> (acético).</li> <li>La otra metá, <i>de metilu</i>, provién del <a href="/w/index.php?title=Alcohol_met%C3%ADlico&action=edit&redlink=1" class="new" title="Alcohol metílico (la páxina nun esiste)">alcohol metílico</a> (<a href="/wiki/Metanol" title="Metanol">metanol</a>).</li></ul> <figure typeof="mw:File/Thumb"><a href="/wiki/Ficheru:Ester_Teile.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/c/ce/Ester_Teile.png/180px-Ester_Teile.png" decoding="async" width="180" height="100" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/c/ce/Ester_Teile.png 1.5x" data-file-width="208" data-file-height="116" /></a><figcaption><a href="/w/index.php?title=Etanoato_de_etilo&action=edit&redlink=1" class="new" title="Etanoato de etilo (la páxina nun esiste)">Etanoato de etilo</a>.</figcaption></figure> <p>Nel dibuxu de la derecha repara la parte que procede del ácidu (en colloráu; <i>etanoato</i>) y la parte que procede del alcohol (n'azul, <i>de etilo</i>). </p><p>Depués el nome xeneral d'un éster d'ácidu carboxílico va ser "alcanoato d'arriendo" onde: </p> <ul><li><b>alcan-</b>= raigañu de la <a href="/w/index.php?title=Cadena_carbonada&action=edit&redlink=1" class="new" title="Cadena carbonada (la páxina nun esiste)">cadena carbonada</a> principal (si ye un alcano), que se noma a partir del númberu d'átomos de carbonu. Por casu:<i>propan-</i> significa cadena de 3 átomos de carbonu xuníu por enllaces senciellos.</li> <li><b>oato</b> = sufixu qu'indica que ye deriváu d'un ácidu carboxílico. Por casu: propanoato: CH<sub>3</sub>-CH<sub>2</sub>-COO- significa "deriváu del ácidu propanoico".</li> <li><b>d'arriendo</b>: Indica l'alcohol de procedencia. Por casu: -O-CH<sub>2</sub>-CH<sub>3</sub> ye "de etilo"</li></ul> <p>En xunto CH<sub>3</sub>-CH<sub>2</sub>-COO-CH<sub>2</sub>-CH<sub>3</sub> nómase <i>propanoato de etilo.</i> </p> <div class="mw-heading mw-heading2"><h2 id="Propiedaes_físiques"><span id="Propiedaes_f.C3.ADsiques"></span>Propiedaes físiques</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%C3%89ster&veaction=edit&section=3" title="Editar seición: Propiedaes físiques" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%C3%89ster&action=edit&section=3" title="Editar el código fuente de la sección: Propiedaes físiques"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Los ésteres pueden participar nos <a href="/w/index.php?title=Enllaz_d%27hidr%C3%B3xenu&action=edit&redlink=1" class="new" title="Enllaz d'hidróxenu (la páxina nun esiste)">enllaces d'hidróxenu</a> como aceptadores, pero nun pueden participar como apurridores nesti tipu d'enllaces, a diferencia de los alcoholes de los que deriven. Esta capacidá de participar nos enllaces d'hidróxenu conviérte-yos en más <a href="/wiki/Agua" title="Agua">hidro</a><a href="/w/index.php?title=Soluble&action=edit&redlink=1" class="new" title="Soluble (la páxina nun esiste)">solubles</a> que los <a href="/wiki/Hidrocarburu" title="Hidrocarburu">hidrocarburos</a> de los que deriven. Pero les llimitaciones de los sos enllaces d'hidróxenu facer más hidrofóbicos que los alcoholes o ácidos de los que deriven. Esta falta de capacidá d'actuar como apurridor d'enllaz d'hidróxenu causa que nun puedan formar enllaces d'hidróxenu ente <a href="/wiki/Mol%C3%A9cula" title="Molécula">molécules</a> de <b>ésteres</b>, lo que los fai más volátiles qu'un ácidu o alcohol de similar pesu molecular. </p><p>Munchos ésteres tienen un arume carauterístico, lo que fai que s'utilicen llargamente como sabores y arumes artificiales. Por casu: </p> <ul><li><a href="/w/index.php?title=Acetato_de_2-etilhexilo&action=edit&redlink=1" class="new" title="Acetato de 2-etilhexilo (la páxina nun esiste)">Acetato de 2-etilhexilo</a>: sabor a <a href="/w/index.php?title=Dulzuxu_nidiu&action=edit&redlink=1" class="new" title="Dulzuxu nidiu (la páxina nun esiste)">dulzuxu nidiu</a></li> <li><a href="/w/index.php?title=Butanoato_de_metilu&action=edit&redlink=1" class="new" title="Butanoato de metilu (la páxina nun esiste)">butanoato de metilu</a>: sabor a <a href="/wiki/Pi%C3%B1a_(fruta)" class="mw-redirect" title="Piña (fruta)">Piña</a></li> <li><a href="/w/index.php?title=Salicilato_de_metilu&action=edit&redlink=1" class="new" title="Salicilato de metilu (la páxina nun esiste)">salicilato de metilu</a> (aceite de siempreverde o menta): arume de les pomaes Germolene™ y Ralgex™ (<a href="/wiki/Reinu_Xun%C3%ADu" title="Reinu Xuníu">Reinu Xuníu</a>)</li> <li><a href="/w/index.php?title=Octanoato_de_heptilo&action=edit&redlink=1" class="new" title="Octanoato de heptilo (la páxina nun esiste)">octanoato de heptilo</a>: sabor a <a href="/w/index.php?title=Artimora&action=edit&redlink=1" class="new" title="Artimora (la páxina nun esiste)">artimora</a></li> <li><a href="/w/index.php?title=Etanoato_de_isopentilo&action=edit&redlink=1" class="new" title="Etanoato de isopentilo (la páxina nun esiste)">etanoato de isopentilo</a>: sabor a <a href="/wiki/Banana" class="mw-redirect" title="Banana">plátanu</a></li> <li><a href="/w/index.php?title=Pentanoato_de_pentilo&action=edit&redlink=1" class="new" title="Pentanoato de pentilo (la páxina nun esiste)">pentanoato de pentilo</a>: sabor a <a href="/wiki/Mazana" title="Mazana">mazana</a></li> <li><a href="/w/index.php?title=Butanoato_de_pentilo&action=edit&redlink=1" class="new" title="Butanoato de pentilo (la páxina nun esiste)">butanoato de pentilo</a>: sabor a <a href="/wiki/Pera" title="Pera">pera</a> o a <a href="/wiki/Prunus_armeniaca" title="Prunus armeniaca">albaricoque</a></li> <li><a href="/w/index.php?title=Etanoato_de_octilo&action=edit&redlink=1" class="new" title="Etanoato de octilo (la páxina nun esiste)">etanoato de octilo</a>: sabor a <a href="/wiki/Naranxa_(fruta)" class="mw-redirect" title="Naranxa (fruta)">naranxa</a>.</li></ul> <p>Los ésteres tamién participen na <a href="/wiki/Hidr%C3%B3lisis" title="Hidrólisis">hidrólisis</a> esterárica: la rotura d'un éster por <a href="/wiki/Agua" title="Agua">agua</a>. Los ésteres tamién pueden ser descompuestos por <a href="/wiki/%C3%81cidu" title="Ácidu">ácidos</a> o <a href="/wiki/Base_(qu%C3%ADmica)" title="Base (química)">bases</a> fuertes. Como resultancia, descomponer nun <a href="/wiki/Alcohol" title="Alcohol">alcohol</a> y un <a href="/wiki/Acedu_carbox%C3%ADlico" class="mw-redirect" title="Acedu carboxílico">acedu carboxílico</a>, o una <a href="/wiki/Sal_(qu%C3%ADmica)" class="mw-redirect" title="Sal (química)">sal</a> d'un ácidu carboxílico: </p> <figure class="mw-halign-center" typeof="mw:File/Thumb"><a href="/wiki/Ficheru:Ester_hydrolysis.es.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/ec/Ester_hydrolysis.es.svg/500px-Ester_hydrolysis.es.svg.png" decoding="async" width="500" height="126" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/ec/Ester_hydrolysis.es.svg/750px-Ester_hydrolysis.es.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/e/ec/Ester_hydrolysis.es.svg/1000px-Ester_hydrolysis.es.svg.png 2x" data-file-width="869" data-file-height="219" /></a><figcaption>Reacción de <a href="/w/index.php?title=Saponificaci%C3%B3n&action=edit&redlink=1" class="new" title="Saponificación (la páxina nun esiste)">saponificación</a> o <a href="/wiki/Hidr%C3%B3lisis" title="Hidrólisis">hidrólisis</a>.</figcaption></figure> <div class="mw-heading mw-heading2"><h2 id="Propiedaes_químiques"><span id="Propiedaes_qu.C3.ADmiques"></span>Propiedaes químiques</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%C3%89ster&veaction=edit&section=4" title="Editar seición: Propiedaes químiques" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%C3%89ster&action=edit&section=4" title="Editar el código fuente de la sección: Propiedaes químiques"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Nes reacciones de los <b>ésteres</b>, la cadena ruémpese siempres nun enllaz senciellu, yá sía ente l'osíxenu y l'alcohol o R, yá sía ente l'osíxenu y el grupu R-CO-, esaniciando asina l'alcohol o unu de los sos derivaos. La <a href="/w/index.php?title=Saponificaci%C3%B3n&action=edit&redlink=1" class="new" title="Saponificación (la páxina nun esiste)">saponificación</a> de los ésteres, llamada asina pola so analoxía cola formación de xabones, ye la reacción inversa a la esterificación. </p><p>Los ésteres se hidrogenan más fácilmente que los ácidos, emplegándose xeneralmente'l éster etílicu tratáu con un amiestu de sodiu y alcohol (<a href="/w/index.php?title=Amenorgamientu_de_Bouveault-Blanc&action=edit&redlink=1" class="new" title="Amenorgamientu de Bouveault-Blanc (la páxina nun esiste)">Amenorgamientu de Bouveault-Blanc</a>). L'hidruru de litiu y aluminiu amenorga ésteres d'acedos carboxílicos pa dar 2 equivalentes d'alcohol.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> La reacción ye d'ampliu espectru y utilizóse p'amenorgar diversos ésteres. Les lactonas producen dioles. Esisten diversos axentes reductores alternativos al hidruru de litiu y aluminiu como'l DIBALH, el trietil-borohidruro de litiu o BH<sub>3</sub>–SiMe<sub>3</sub> a refluxu con <a href="/w/index.php?title=Tetrahidrofurano&action=edit&redlink=1" class="new" title="Tetrahidrofurano (la páxina nun esiste)">THF</a>.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> </p><p>El <a href="/w/index.php?title=Dicloruro_de_titanoceno&action=edit&redlink=1" class="new" title="Dicloruro de titanoceno (la páxina nun esiste)">dicloruro de titanoceno</a> amenorga los ésteres d'acedos carboxílicos hasta'l alcano (RCH<sub>3</sub>)y l'alcohol R-OH.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> El mecanismu probablemente débese a la formación d'un alqueno intermediariu. </p> <figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/Ficheru:ESTERS_REDUCTION_TITANOCENE.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/9/9a/ESTERS_REDUCTION_TITANOCENE.png" decoding="async" width="450" height="105" class="mw-file-element" data-file-width="329" data-file-height="77" /></a><figcaption></figcaption></figure> <p>L'hidróxenu α de munchos ésteres puede ser sustraíu con una base non nucleofílica o'l <a href="/w/index.php?title=Alc%C3%B3xido&action=edit&redlink=1" class="new" title="Alcóxido (la páxina nun esiste)">alcóxido</a> correspondiente al éster. El carbanión xeneráu puede xunise a diversos sustratos en diverses reacciones de condensación, tales como la <a href="/w/index.php?title=Condensaci%C3%B3n_de_Claisen&action=edit&redlink=1" class="new" title="Condensación de Claisen (la páxina nun esiste)">condensación de Claisen</a>, la <a href="/w/index.php?title=Condensaci%C3%B3n_de_Dieckmann&action=edit&redlink=1" class="new" title="Condensación de Dieckmann (la páxina nun esiste)">condensación de Dieckmann</a> y la <a href="/w/index.php?title=S%C3%ADntesis_mal%C3%B3nica&action=edit&redlink=1" class="new" title="Síntesis malónica (la páxina nun esiste)">síntesis malónica</a>. Munchos métodos de síntesis d'aniellos heterocíclicos aprovechen estes propiedaes químiques de los ésteres, tales como la <a href="/w/index.php?title=S%C3%ADntesis_de_pirroles_de_Hantzsch&action=edit&redlink=1" class="new" title="Síntesis de pirroles de Hantzsch (la páxina nun esiste)">síntesis de pirroles de Hantzsch</a> y la <a href="/w/index.php?title=S%C3%ADntesis_de_Feist-Benary&action=edit&redlink=1" class="new" title="Síntesis de Feist-Benary (la páxina nun esiste)">síntesis de Feist-Benary</a>. </p><p>Esisten reacciones de condensación nes que s'utiliza un reductor qu'apurra electrones pa formar l'enllaz C-C ente grupos acilo, como'l casu de la <a href="/w/index.php?title=Condensaci%C3%B3n_acilo%C3%ADnica&action=edit&redlink=1" class="new" title="Condensación aciloínica (la páxina nun esiste)">condensación aciloínica</a>. Los ésteres pueden dar alcoholes con dos sustituyentes idénticos por adición de reactivos de Grignard. Unes aplicación d'esta reacción ye la <a href="/w/index.php?title=Reacci%C3%B3n_de_Fujimoto-Belleau&action=edit&redlink=1" class="new" title="Reacción de Fujimoto-Belleau (la páxina nun esiste)">reacción de Fujimoto-Belleau</a>. </p> <div class="mw-heading mw-heading2"><h2 id="Referencies">Referencies</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=%C3%89ster&veaction=edit&section=5" title="Editar seición: Referencies" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=%C3%89ster&action=edit&section=5" title="Editar el código fuente de la sección: Referencies"><span>editar la fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r3503771">@media only screen and (max-width:600px){.mw-parser-output .llistaref{column-count:1!important}}</style><div class="llistaref" style="list-style-type: decimal;"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text">«<a rel="nofollow" class="external text" href="https://web.archive.org/web/20111121005030/http://www.quimicaorganica.org/esteres/nomenclatura-de-esteres.html">Nomenclatura de ésteres.</a>». Archiváu dende l'<a rel="nofollow" class="external text" href="http://www.quimicaorganica.org/esteres/nomenclatura-de-esteres.html">orixinal</a>, el 2011-11-21.</span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><a href="#cite_ref-2">↑</a></span> <span class="reference-text">Gaylord, N.G. <i>Reduction with Complex Metal Hydrides</i>, Wiley, NY, 1956,páxs. 391–531</span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><a href="#cite_ref-3">↑</a></span> <span class="reference-text">Ayers, T.A. <i>Tetrahedron Lett</i>. 1999, 40, 5467</span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><a href="#cite_ref-4">↑</a></span> <span class="reference-text">van Tamelen, Y.Y.; Gladys, J.A. J. Am. Chem. Soc. 1974, 96, 5290.</span> </li> </ol></div> <p><br /> </p><p><br /> </p>    </div><noscript><img src="https://auth.wikimedia.org/loginwiki/wiki/Special:CentralAutoLogin/start?useformat=desktop&type=1x1&usesul3=1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Sacáu de «<a dir="ltr" href="https://ast.wikipedia.org/w/index.php?title=Éster&oldid=4235526">https://ast.wikipedia.org/w/index.php?title=Éster&oldid=4235526</a>»</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Especial:Categor%C3%ADas" title="Especial:Categorías">Categoríes</a>: <ul><li><a href="/wiki/Categor%C3%ADa:Wikipedia:Revisar_traducci%C3%B3n" title="Categoría:Wikipedia:Revisar traducción">Wikipedia:Revisar traducción</a></li><li><a href="/w/index.php?title=Categor%C3%ADa:%C3%89steres&action=edit&redlink=1" class="new" title="Categoría:Ésteres (la páxina nun esiste)">Ésteres</a></li><li><a href="/w/index.php?title=Categor%C3%ADa:Grupos_funcionales&action=edit&redlink=1" class="new" title="Categoría:Grupos funcionales (la páxina nun esiste)">Grupos funcionales</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Categoríes anubríes: <ul><li><a href="/wiki/Categor%C3%ADa:Wikipedia:P%C3%A1xines_con_etiquetes_de_Wikidata_ensin_traducir" title="Categoría:Wikipedia:Páxines con etiquetes de Wikidata ensin traducir">Wikipedia:Páxines con etiquetes de Wikidata ensin traducir</a></li><li><a href="/wiki/Categor%C3%ADa:Wikipedia:Art%C3%ADculos_qu%27usen_ficha_ensin_datos_en_fileres" title="Categoría:Wikipedia:Artículos qu'usen ficha ensin datos en fileres">Wikipedia:Artículos qu'usen ficha ensin datos en fileres</a></li><li><a href="/wiki/Categor%C3%ADa:Wikipedia:Tradubot" title="Categoría:Wikipedia:Tradubot">Wikipedia:Tradubot</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> La última edición d'esta páxina foi'l 7 ago 2024 a les 13:52.</li> <li id="footer-info-copyright">El testu ta disponible baxo la <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.es">Llicencia Creative Commons Reconocimientu/CompartirIgual 4.0</a>; puen aplicase términos adicionales. 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aria-haspopup="true" data-event-name="ui.dropdown-vector-sticky-header-toc" class="vector-dropdown-checkbox " aria-label="Cambiar a la tabla de contenidos" > <label id="vector-sticky-header-toc-label" for="vector-sticky-header-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Cambiar a la tabla de contenidos</span> </label> <div class="vector-dropdown-content"> <div id="vector-sticky-header-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div class="vector-sticky-header-context-bar-primary" aria-hidden="true" ><span class="mw-page-title-main">Éster</span></div> </div> </div> <div class="vector-sticky-header-end" aria-hidden="true"> <div class="vector-sticky-header-icons"> <a href="#" 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class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only mw-watchlink" id="ca-watchstar-sticky-header" tabindex="-1" data-event-name="watch-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-star mw-ui-icon-wikimedia-wikimedia-star"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-ve-edit-sticky-header" tabindex="-1" data-event-name="ve-edit-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-edit mw-ui-icon-wikimedia-wikimedia-edit"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-edit-sticky-header" tabindex="-1" data-event-name="wikitext-edit-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-wikiText mw-ui-icon-wikimedia-wikimedia-wikiText"></span> <span></span> </a> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only" id="ca-viewsource-sticky-header" tabindex="-1" data-event-name="ve-edit-protected-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-editLock mw-ui-icon-wikimedia-wikimedia-editLock"></span> <span></span> </a> </div> <div class="vector-sticky-header-buttons"> <button class="cdx-button cdx-button--weight-quiet mw-interlanguage-selector" id="p-lang-btn-sticky-header" tabindex="-1" data-event-name="ui.dropdown-p-lang-btn-sticky-header"><span class="vector-icon mw-ui-icon-wikimedia-language mw-ui-icon-wikimedia-wikimedia-language"></span> <span>78 llingües</span> </button> <a href="#" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive" id="ca-addsection-sticky-header" tabindex="-1" data-event-name="addsection-sticky-header"><span class="vector-icon mw-ui-icon-speechBubbleAdd-progressive mw-ui-icon-wikimedia-speechBubbleAdd-progressive"></span> <span>Amestar seición</span> </a> </div> <div class="vector-sticky-header-icon-end"> <div class="vector-user-links"> </div> </div> </div> </div> </div> <div class="mw-portlet mw-portlet-dock-bottom emptyPortlet" id="p-dock-bottom"> <ul> </ul> </div> <script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-7ccc697c5f-7m7ln","wgBackendResponseTime":117,"wgPageParseReport":{"limitreport":{"cputime":"0.121","walltime":"0.294","ppvisitednodes":{"value":523,"limit":1000000},"postexpandincludesize":{"value":7164,"limit":2097152},"templateargumentsize":{"value":830,"limit":2097152},"expansiondepth":{"value":9,"limit":100},"expensivefunctioncount":{"value":0,"limit":500},"unstrip-depth":{"value":0,"limit":20},"unstrip-size":{"value":1926,"limit":5000000},"entityaccesscount":{"value":1,"limit":400},"timingprofile":["100.00% 138.689 1 -total"," 86.85% 120.452 1 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