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class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Conteúdo" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Conteúdo</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">mover para a barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">ocultar</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">Início</div> </a> </li> <li id="toc-Classificação" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Classificação"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Classificação</span> </div> </a> <button aria-controls="toc-Classificação-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Alternar a subsecção Classificação</span> </button> <ul id="toc-Classificação-sublist" class="vector-toc-list"> <li id="toc-Inorgânicos_ou_Minerais" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Inorgânicos_ou_Minerais"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1</span> <span>Inorgânicos ou Minerais</span> </div> </a> <ul id="toc-Inorgânicos_ou_Minerais-sublist" class="vector-toc-list"> <li id="toc-Exemplo" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Exemplo"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.1.1</span> <span>Exemplo</span> </div> </a> <ul id="toc-Exemplo-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Orgânicos" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Orgânicos"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2</span> <span>Orgânicos</span> </div> </a> <ul id="toc-Orgânicos-sublist" class="vector-toc-list"> <li id="toc-Anidridos_comuns" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Anidridos_comuns"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2.1</span> <span>Anidridos comuns</span> </div> </a> <ul id="toc-Anidridos_comuns-sublist" class="vector-toc-list"> <li id="toc-Exemplo_2" class="vector-toc-list-item vector-toc-level-4"> <a class="vector-toc-link" href="#Exemplo_2"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2.1.1</span> <span>Exemplo</span> </div> </a> <ul id="toc-Exemplo_2-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Anidridos_Mistos" class="vector-toc-list-item vector-toc-level-3"> <a class="vector-toc-link" href="#Anidridos_Mistos"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2.2</span> <span>Anidridos Mistos</span> </div> </a> <ul id="toc-Anidridos_Mistos-sublist" class="vector-toc-list"> <li id="toc-Exemplo_3" class="vector-toc-list-item vector-toc-level-4"> <a class="vector-toc-link" href="#Exemplo_3"> <div class="vector-toc-text"> <span class="vector-toc-numb">1.2.2.1</span> <span>Exemplo</span> </div> </a> <ul id="toc-Exemplo_3-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> </ul> </li> </ul> </li> <li id="toc-Propriedades" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Propriedades"> <div class="vector-toc-text"> <span class="vector-toc-numb">2</span> <span>Propriedades</span> </div> </a> <button aria-controls="toc-Propriedades-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Alternar a subsecção Propriedades</span> </button> <ul id="toc-Propriedades-sublist" class="vector-toc-list"> <li id="toc-Físicas" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Físicas"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.1</span> <span>Físicas</span> </div> </a> <ul id="toc-Físicas-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Químicas" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Químicas"> <div class="vector-toc-text"> <span class="vector-toc-numb">2.2</span> <span>Químicas</span> </div> </a> <ul id="toc-Químicas-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Tipos_de_Anidrido" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Tipos_de_Anidrido"> <div class="vector-toc-text"> <span class="vector-toc-numb">3</span> <span>Tipos de Anidrido</span> </div> </a> <button aria-controls="toc-Tipos_de_Anidrido-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Alternar a subsecção Tipos de Anidrido</span> </button> <ul id="toc-Tipos_de_Anidrido-sublist" class="vector-toc-list"> <li id="toc-Anidrido_com_álcool" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Anidrido_com_álcool"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.1</span> <span>Anidrido com álcool</span> </div> </a> <ul id="toc-Anidrido_com_álcool-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Anidrido_com_amoníaco" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Anidrido_com_amoníaco"> <div class="vector-toc-text"> <span class="vector-toc-numb">3.2</span> <span>Anidrido com amoníaco</span> </div> </a> <ul id="toc-Anidrido_com_amoníaco-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Reação_de_Friedel-Crafts" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Reação_de_Friedel-Crafts"> <div class="vector-toc-text"> <span class="vector-toc-numb">4</span> <span>Reação de Friedel-Crafts</span> </div> </a> <ul id="toc-Reação_de_Friedel-Crafts-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Condensação_de_Perkin" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Condensação_de_Perkin"> <div class="vector-toc-text"> <span class="vector-toc-numb">5</span> <span>Condensação de Perkin</span> </div> </a> <ul id="toc-Condensação_de_Perkin-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Reações_de_anidridos_cíclicos" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Reações_de_anidridos_cíclicos"> <div class="vector-toc-text"> <span class="vector-toc-numb">6</span> <span>Reações de anidridos cíclicos</span> </div> </a> <button aria-controls="toc-Reações_de_anidridos_cíclicos-sublist" class="cdx-button cdx-button--weight-quiet cdx-button--icon-only vector-toc-toggle"> <span class="vector-icon mw-ui-icon-wikimedia-expand"></span> <span>Alternar a subsecção Reações de anidridos cíclicos</span> </button> <ul id="toc-Reações_de_anidridos_cíclicos-sublist" class="vector-toc-list"> <li id="toc-Exemplos" class="vector-toc-list-item vector-toc-level-2"> <a class="vector-toc-link" href="#Exemplos"> <div class="vector-toc-text"> <span class="vector-toc-numb">6.1</span> <span>Exemplos</span> </div> </a> <ul id="toc-Exemplos-sublist" class="vector-toc-list"> </ul> </li> </ul> </li> <li id="toc-Anidrido_Succínico" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Anidrido_Succínico"> <div class="vector-toc-text"> <span class="vector-toc-numb">7</span> <span>Anidrido Succínico</span> </div> </a> <ul id="toc-Anidrido_Succínico-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Anidrido_Ftálico" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Anidrido_Ftálico"> <div class="vector-toc-text"> <span class="vector-toc-numb">8</span> <span>Anidrido Ftálico</span> </div> </a> <ul id="toc-Anidrido_Ftálico-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Ver_também" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Ver_também"> <div class="vector-toc-text"> <span class="vector-toc-numb">9</span> <span>Ver também</span> </div> </a> <ul id="toc-Ver_também-sublist" class="vector-toc-list"> </ul> </li> <li id="toc-Referências" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Referências"> <div class="vector-toc-text"> <span class="vector-toc-numb">10</span> <span>Referências</span> </div> </a> <ul id="toc-Referências-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Conteúdo" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Alternar o índice" > <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">Alternar o índice</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">Anidrido</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 para um artigo noutra língua. Disponível em 22 línguas" > <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-22" 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">22 línguas</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D8%A3%D9%86%D9%87%D9%8A%D8%AF%D8%B1%D9%8A%D8%AF" title="أنهيدريد — árabe" lang="ar" hreflang="ar" data-title="أنهيدريد" data-language-autonym="العربية" data-language-local-name="árabe" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-be mw-list-item"><a href="https://be.wikipedia.org/wiki/%D0%90%D0%BD%D0%B3%D1%96%D0%B4%D1%80%D1%8B%D0%B4" title="Ангідрыд — bielorrusso" lang="be" hreflang="be" data-title="Ангідрыд" data-language-autonym="Беларуская" data-language-local-name="bielorrusso" class="interlanguage-link-target"><span>Беларуская</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Anhydrid" title="Anhydrid — checo" lang="cs" hreflang="cs" data-title="Anhydrid" data-language-autonym="Čeština" data-language-local-name="checo" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Anhydride" title="Anhydride — alemão" lang="de" hreflang="de" data-title="Anhydride" data-language-autonym="Deutsch" data-language-local-name="alemão" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en badge-Q70893996 mw-list-item" title=""><a href="https://en.wikipedia.org/wiki/Anhydride" title="Anhydride — inglês" lang="en" hreflang="en" data-title="Anhydride" data-language-autonym="English" data-language-local-name="inglês" 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/Anhidrido" title="Anhidrido — esperanto" lang="eo" hreflang="eo" data-title="Anhidrido" 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/Anhidruro" title="Anhidruro — espanhol" lang="es" hreflang="es" data-title="Anhidruro" data-language-autonym="Español" data-language-local-name="espanhol" 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/Anh%C3%BCdriidid" title="Anhüdriidid — estónio" lang="et" hreflang="et" data-title="Anhüdriidid" data-language-autonym="Eesti" data-language-local-name="estónio" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-fi mw-list-item"><a href="https://fi.wikipedia.org/wiki/Anhydridit" title="Anhydridit — finlandês" lang="fi" hreflang="fi" data-title="Anhydridit" data-language-autonym="Suomi" data-language-local-name="finlandês" 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/Anhydride" title="Anhydride — francês" lang="fr" hreflang="fr" data-title="Anhydride" data-language-autonym="Français" data-language-local-name="francês" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-he mw-list-item"><a href="https://he.wikipedia.org/wiki/%D7%90%D7%A0%D7%94%D7%99%D7%93%D7%A8%D7%99%D7%93" title="אנהידריד — hebraico" lang="he" hreflang="he" data-title="אנהידריד" data-language-autonym="עברית" data-language-local-name="hebraico" class="interlanguage-link-target"><span>עברית</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Anidride" title="Anidride — italiano" lang="it" hreflang="it" data-title="Anidride" data-language-autonym="Italiano" data-language-local-name="italiano" 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/%E7%84%A1%E6%B0%B4%E7%89%A9" title="無水物 — japonês" lang="ja" hreflang="ja" data-title="無水物" data-language-autonym="日本語" data-language-local-name="japonês" 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%90%D0%BD%D0%B3%D0%B8%D0%B4%D1%80%D0%B8%D0%B4%D1%82%D0%B5%D1%80" title="Ангидридтер — cazaque" lang="kk" hreflang="kk" data-title="Ангидридтер" data-language-autonym="Қазақша" data-language-local-name="cazaque" class="interlanguage-link-target"><span>Қазақша</span></a></li><li class="interlanguage-link interwiki-lv mw-list-item"><a href="https://lv.wikipedia.org/wiki/Anhidr%C4%ABds" title="Anhidrīds — letão" lang="lv" hreflang="lv" data-title="Anhidrīds" data-language-autonym="Latviešu" data-language-local-name="letão" class="interlanguage-link-target"><span>Latviešu</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Anhydride" title="Anhydride — neerlandês" lang="nl" hreflang="nl" data-title="Anhydride" data-language-autonym="Nederlands" data-language-local-name="neerlandês" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%90%D0%BD%D0%B3%D0%B8%D0%B4%D1%80%D0%B8%D0%B4" title="Ангидрид — russo" lang="ru" hreflang="ru" data-title="Ангидрид" data-language-autonym="Русский" data-language-local-name="russo" 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/Anhidrid" title="Anhidrid — servo-croata" lang="sh" hreflang="sh" data-title="Anhidrid" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="servo-croata" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/%D0%90%D0%BD%D1%85%D0%B8%D0%B4%D1%80%D0%B8%D0%B4" title="Анхидрид — sérvio" lang="sr" hreflang="sr" data-title="Анхидрид" data-language-autonym="Српски / srpski" data-language-local-name="sérvio" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sv mw-list-item"><a href="https://sv.wikipedia.org/wiki/Anhydrid" title="Anhydrid — sueco" lang="sv" hreflang="sv" data-title="Anhydrid" data-language-autonym="Svenska" data-language-local-name="sueco" class="interlanguage-link-target"><span>Svenska</span></a></li><li class="interlanguage-link interwiki-tg mw-list-item"><a href="https://tg.wikipedia.org/wiki/%D0%90%D0%BD%D2%B3%D0%B8%D0%B4%D1%80%D0%B8%D0%B4" title="Анҳидрид — tajique" lang="tg" hreflang="tg" data-title="Анҳидрид" data-language-autonym="Тоҷикӣ" data-language-local-name="tajique" class="interlanguage-link-target"><span>Тоҷикӣ</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%90%D0%BD%D0%B3%D1%96%D0%B4%D1%80%D0%B8%D0%B4%D0%B8" title="Ангідриди — ucraniano" lang="uk" hreflang="uk" data-title="Ангідриди" data-language-autonym="Українська" data-language-local-name="ucraniano" class="interlanguage-link-target"><span>Українська</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/Q422008#sitelinks-wikipedia" title="Editar hiperligações interlínguas" class="wbc-editpage">Editar hiperligações</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="Espaços nominais"> <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/Anidrido" title="Ver a página de conteúdo [c]" accesskey="c"><span>Artigo</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Discuss%C3%A3o:Anidrido" rel="discussion" title="Discussão sobre o conteúdo da página [t]" accesskey="t"><span>Discussão</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="Mudar a variante da língua" > <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">português</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="Vistas"> <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/Anidrido"><span>Ler</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Anidrido&veaction=edit" title="Editar esta página [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=Anidrido&action=edit" title="Editar o código-fonte desta página [e]" accesskey="e"><span>Editar código-fonte</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Anidrido&action=history" title="Edições anteriores desta página. [h]" accesskey="h"><span>Ver histórico</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Ferramentas de página"> <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="Ferramentas" > <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">Ferramentas</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">Ferramentas</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">mover para a barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">ocultar</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Mais opções" > <div class="vector-menu-heading"> Operações </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/Anidrido"><span>Ler</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Anidrido&veaction=edit" title="Editar esta página [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=Anidrido&action=edit" title="Editar o código-fonte desta página [e]" accesskey="e"><span>Editar código-fonte</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Anidrido&action=history"><span>Ver histórico</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Geral </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Especial:P%C3%A1ginas_afluentes/Anidrido" title="Lista de todas as páginas que contêm hiperligações para esta [j]" accesskey="j"><span>Páginas afluentes</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Especial:Altera%C3%A7%C3%B5es_relacionadas/Anidrido" rel="nofollow" title="Mudanças recentes nas páginas para as quais esta contém hiperligações [k]" accesskey="k"><span>Alterações relacionadas</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedia:Carregar_ficheiro" title="Carregar ficheiros [u]" accesskey="u"><span>Carregar ficheiro</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Especial:P%C3%A1ginas_especiais" title="Lista de páginas especiais [q]" accesskey="q"><span>Páginas especiais</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Anidrido&oldid=58878154" title="Hiperligação permanente para esta revisão desta página"><span>Hiperligação permanente</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Anidrido&action=info" title="Mais informações sobre esta página"><span>Informações da página</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Especial:Citar&page=Anidrido&id=58878154&wpFormIdentifier=titleform" title="Informação sobre como citar esta página"><span>Citar esta página</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Especial:UrlShortener&url=https%3A%2F%2Fpt.wikipedia.org%2Fwiki%2FAnidrido"><span>Obter URL encurtado</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Especial:QrCode&url=https%3A%2F%2Fpt.wikipedia.org%2Fwiki%2FAnidrido"><span>Descarregar código 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"> Imprimir/exportar </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:Livro&bookcmd=book_creator&referer=Anidrido"><span>Criar um livro</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Especial:DownloadAsPdf&page=Anidrido&action=show-download-screen"><span>Descarregar como PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Anidrido&printable=yes" title="Versão para impressão desta página [p]" accesskey="p"><span>Versão para impressão</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"> Noutros projetos </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:Anhydrides" 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/Q422008" title="Hiperligação para o elemento do repositório de dados [g]" accesskey="g"><span>Elemento 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="Ferramentas de página"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Aspeto"> <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">Aspeto</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">mover para a barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">ocultar</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> <div id="siteSub" class="noprint">Origem: Wikipédia, a enciclopédia livre.</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" 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.tmbox.mbox-small{clear:right;float:right;margin:4px 0 4px 1em;width:238px}}@media screen{html.skin-theme-clientpref-night .mw-parser-output .tmbox{background-color:#2e2505}html.skin-theme-clientpref-night .mw-parser-output .tmbox-speedy{background-color:#310402}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .tmbox{background-color:#2e2505}html.skin-theme-clientpref-os .mw-parser-output .tmbox-speedy{background-color:#310402}}body.skin--responsive .mw-parser-output table.tmbox img{max-width:none!important}</style><table class="box-Mais_notas plainlinks metadata ambox ambox-content ambox-Refimprove" role="presentation"><tbody><tr><td class="mbox-image"><div style="width:52px"><span typeof="mw:File"><a href="/wiki/Ficheiro:Question_book-new.svg" class="mw-file-description"><img alt="Esta página cita fontes, mas não cobrem todo o conteúdo" src="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Question_book-new.svg/50px-Question_book-new.svg.png" decoding="async" width="50" height="39" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/9/99/Question_book-new.svg/75px-Question_book-new.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/9/99/Question_book-new.svg/100px-Question_book-new.svg.png 2x" data-file-width="512" data-file-height="399" /></a></span></div></td><td class="mbox-text"><div class="mbox-text-span">Esta página <a href="/wiki/Wikip%C3%A9dia:Livro_de_estilo/Cite_as_fontes" title="Wikipédia:Livro de estilo/Cite as fontes">cita fontes</a>, mas que <b><a href="/wiki/Wikip%C3%A9dia:V" class="mw-redirect" title="Wikipédia:V">não cobrem</a> todo o conteúdo</b>.<span class="hide-when-compact"> Ajude a <a href="/wiki/Wikip%C3%A9dia:Livro_de_estilo/Refer%C3%AAncias_e_notas_de_rodap%C3%A9" title="Wikipédia:Livro de estilo/Referências e notas de rodapé">inserir referências</a> (<small><i>Encontre fontes:</i> <span class="plainlinks"><a rel="nofollow" class="external text" href="https://wikipedialibrary.wmflabs.org/">ABW</a>  •  <a rel="nofollow" class="external text" href="https://www.periodicos.capes.gov.br">CAPES</a>  •  <a rel="nofollow" class="external text" href="https://www.google.com/search?as_eq=wikipedia&as_epq=Anidrido">Google</a> (<a rel="nofollow" class="external text" href="https://www.google.com/search?hl=pt&tbm=nws&q=Anidrido&oq=Anidrido">N</a> • <a rel="nofollow" class="external text" href="http://books.google.com/books?&as_brr=0&as_epq=Anidrido">L</a> • <a rel="nofollow" class="external text" href="https://scholar.google.com/scholar?hl=pt&q=Anidrido">A</a>)</span></small>).</span> <small class="date-container"><i>(<span class="date">Junho de 2011</span>)</i></small></div></td></tr></tbody></table> <p><b>Anidridos</b> são <a href="/wiki/Composto_qu%C3%ADmico" title="Composto químico">compostos</a> resultantes da desidratação de <a href="/wiki/%C3%81cido" title="Ácido">ácidos</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Classificação"><span id="Classifica.C3.A7.C3.A3o"></span>Classificação</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=1" title="Editar secção: Classificação" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=1" title="Editar código-fonte da secção: Classificação"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Existem duas grandes classes: Inorgânicos ou Minerais e Orgânicos. Vejamos suas diferenças. </p> <div class="mw-heading mw-heading3"><h3 id="Inorgânicos_ou_Minerais"><span id="Inorg.C3.A2nicos_ou_Minerais"></span>Inorgânicos ou Minerais</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=2" title="Editar secção: Inorgânicos ou Minerais" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=2" title="Editar código-fonte da secção: Inorgânicos ou Minerais"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading4"><h4 id="Exemplo">Exemplo</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=3" title="Editar secção: Exemplo" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=3" title="Editar código-fonte da secção: Exemplo"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <center> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle H_{2}SO_{4}\rightarrow H_{2}O+SO_{3}\uparrow }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mi>S</mi> <msub> <mi>O</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> </msub> <mo stretchy="false">→</mo> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mi>O</mi> <mo>+</mo> <mi>S</mi> <msub> <mi>O</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mo stretchy="false">↑</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle H_{2}SO_{4}\rightarrow H_{2}O+SO_{3}\uparrow }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/7e7961db3b533aa187e0a55c6e1e4cb345098733" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:24.66ex; height:2.509ex;" alt="{\displaystyle H_{2}SO_{4}\rightarrow H_{2}O+SO_{3}\uparrow }"></span> </center> <p><b>Ácido sulfúrico</b> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \rightarrow }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo stretchy="false">→</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \rightarrow }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/53e574cc3aa5b4bf5f3f5906caf121a378eef08b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.324ex; height:1.843ex;" alt="{\displaystyle \rightarrow }"></span> <b>água</b> + <b>anidrido sulfúrico</b> </p><p>Para se obter o anidrido sulfúrico basta aquecer o ácido até seu ponto de ebulição e recolher seus <a href="/wiki/Vapor" title="Vapor">vapores</a>. </p> <div style="text-align: center;"> <figure class="mw-halign-center" typeof="mw:File/Thumb"><a href="/wiki/Ficheiro:Anid02.jpg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Anid02.jpg/400px-Anid02.jpg" decoding="async" width="400" height="112" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5d/Anid02.jpg/600px-Anid02.jpg 1.5x, //upload.wikimedia.org/wikipedia/commons/5/5d/Anid02.jpg 2x" data-file-width="684" data-file-height="192" /></a><figcaption>Equação química</figcaption></figure></div> <p>Alguns ácidos, como o <i><b><a href="/wiki/%C3%81cido_carb%C3%B4nico" title="Ácido carbônico">ácido carbônico</a></b></i>, se decompõem em temperatura ambiente. O <i><b><a href="/wiki/G%C3%A1s_carb%C3%B4nico" class="mw-redirect" title="Gás carbônico">gás carbônico</a></b></i> também é conhecido como <i><b>anidrido carbônico</b></i>. </p> <center> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle H_{2}CO_{3}\rightarrow H_{2}O+CO_{2}\uparrow }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mi>C</mi> <msub> <mi>O</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mo stretchy="false">→</mo> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mi>O</mi> <mo>+</mo> <mi>C</mi> <msub> <mi>O</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo stretchy="false">↑</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle H_{2}CO_{3}\rightarrow H_{2}O+CO_{2}\uparrow }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/d26c561408fb9018433d130472075fcf6e3661be" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:25.194ex; height:2.509ex;" alt="{\displaystyle H_{2}CO_{3}\rightarrow H_{2}O+CO_{2}\uparrow }"></span> </center> <div class="mw-heading mw-heading3"><h3 id="Orgânicos"><span id="Org.C3.A2nicos"></span>Orgânicos</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=4" title="Editar secção: Orgânicos" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=4" title="Editar código-fonte da secção: Orgânicos"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="hatnote"><span typeof="mw:File"><span><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Magnifying_glass_01.svg/17px-Magnifying_glass_01.svg.png" decoding="async" width="17" height="17" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Magnifying_glass_01.svg/26px-Magnifying_glass_01.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/3a/Magnifying_glass_01.svg/34px-Magnifying_glass_01.svg.png 2x" data-file-width="663" data-file-height="659" /></span></span>Ver artigo principal: <a href="/wiki/Anidrido_de_%C3%A1cido_carbox%C3%ADlico" title="Anidrido de ácido carboxílico">Anidrido de ácido carboxílico</a></div> <p>São compostos formados por dois <a href="/w/index.php?title=Grupos_acil&action=edit&redlink=1" class="new" title="Grupos acil (página não existe)">grupos acil</a> ligados ao mesmo átomo de oxigênio.<sup id="cite_ref-iupac_1-0" class="reference"><a href="#cite_note-iupac-1"><span>[</span>1<span>]</span></a></sup> Um caso particular são os <a href="/w/index.php?title=Anidridos_sulf%C3%B4nicos&action=edit&redlink=1" class="new" title="Anidridos sulfônicos (página não existe)">anidridos sulfônicos</a>, de estrutura RS(=0)<sub>2</sub>OS(=0)<sub>2</sub>R'.<sup id="cite_ref-iupac.sulfonic_2-0" class="reference"><a href="#cite_note-iupac.sulfonic-2"><span>[</span>2<span>]</span></a></sup> Possuem <a href="/wiki/Cadeia_carb%C3%B4nica" title="Cadeia carbônica">cadeia carbônica</a> e que podem se subdividir em: </p> <div class="mw-heading mw-heading4"><h4 id="Anidridos_comuns">Anidridos comuns</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=5" title="Editar secção: Anidridos comuns" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=5" title="Editar código-fonte da secção: Anidridos comuns"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>São aqueles em que as cadeias carbônicas são iguais nos anidridos (C=C). </p> <div class="mw-heading mw-heading5"><h5 id="Exemplo_2">Exemplo</h5><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=6" title="Editar secção: Exemplo" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=6" title="Editar código-fonte da secção: Exemplo"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <center> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ CH_{3}-CO-O-CO-CH_{3}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mtext> </mtext> <mi>C</mi> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mo>−</mo> <mi>C</mi> <mi>O</mi> <mo>−</mo> <mi>O</mi> <mo>−</mo> <mi>C</mi> <mi>O</mi> <mo>−</mo> <mi>C</mi> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \ CH_{3}-CO-O-CO-CH_{3}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/c194751fc0108d333f871445b6d228309400a544" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:30.298ex; height:2.509ex;" alt="{\displaystyle \ CH_{3}-CO-O-CO-CH_{3}}"></span> </center> <div class="mw-heading mw-heading4"><h4 id="Anidridos_Mistos">Anidridos Mistos</h4><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=7" title="Editar secção: Anidridos Mistos" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=7" title="Editar código-fonte da secção: Anidridos Mistos"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>São aqueles cuja cadeia carbônica tem diferente número de <a href="/wiki/%C3%81tomo" title="Átomo">átomos</a> de <a href="/wiki/Carbono" title="Carbono">carbono</a> ou seja (C <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \neq }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo>≠</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \neq }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/38cc3d8d8c60120bc2f905bae4d5e10d8ad6a3f4" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:1.808ex; height:2.676ex;" alt="{\displaystyle \neq }"></span>C). </p> <div class="mw-heading mw-heading5"><h5 id="Exemplo_3">Exemplo</h5><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=8" title="Editar secção: Exemplo" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=8" title="Editar código-fonte da secção: Exemplo"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <center><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ CH_{3}-CO-O-CO-CH_{2}-CH_{3}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mtext> </mtext> <mi>C</mi> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mo>−</mo> <mi>C</mi> <mi>O</mi> <mo>−</mo> <mi>O</mi> <mo>−</mo> <mi>C</mi> <mi>O</mi> <mo>−</mo> <mi>C</mi> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>−</mo> <mi>C</mi> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \ CH_{3}-CO-O-CO-CH_{2}-CH_{3}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/105506862b323719527fd7d1f930f15978e4e232" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:37.891ex; height:2.509ex;" alt="{\displaystyle \ CH_{3}-CO-O-CO-CH_{2}-CH_{3}}"></span></center> <p>Podemos ver a seguir como se forma um anidrido orgânico: </p> <div style="text-align: center;"><span typeof="mw:File"><a href="/wiki/Ficheiro:Anid01.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Anid01.JPG/400px-Anid01.JPG" decoding="async" width="400" height="200" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Anid01.JPG/600px-Anid01.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/e/e1/Anid01.JPG 2x" data-file-width="614" data-file-height="307" /></a></span></div> <p><i><b>Anidridos acíclicos</b></i> (de <a href="/w/index.php?title=Mono%C3%A1cido&action=edit&redlink=1" class="new" title="Monoácido (página não existe)">monoácidos</a>). <b>Exemplo:</b> </p> <div style="text-align: center;"><span typeof="mw:File"><a href="/wiki/Ficheiro:AceticAnhydride.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b9/AceticAnhydride.png/80px-AceticAnhydride.png" decoding="async" width="80" height="175" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b9/AceticAnhydride.png/120px-AceticAnhydride.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b9/AceticAnhydride.png/160px-AceticAnhydride.png 2x" data-file-width="1213" data-file-height="2653" /></a></span></div> <p>e <i><b>Anidridos cíclicos</b></i> (de <a href="/w/index.php?title=Di%C3%A1cido&action=edit&redlink=1" class="new" title="Diácido (página não existe)">diácidos</a>).<b>Exemplo:</b> </p> <div style="text-align: center;"><span typeof="mw:File"><a href="/wiki/Ficheiro:Maleic_anhydride_(vertical).svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/05/Maleic_anhydride_%28vertical%29.svg/80px-Maleic_anhydride_%28vertical%29.svg.png" decoding="async" width="80" height="174" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/05/Maleic_anhydride_%28vertical%29.svg/120px-Maleic_anhydride_%28vertical%29.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/05/Maleic_anhydride_%28vertical%29.svg/160px-Maleic_anhydride_%28vertical%29.svg.png 2x" data-file-width="76" data-file-height="165" /></a></span></div> <div class="mw-heading mw-heading2"><h2 id="Propriedades">Propriedades</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=9" title="Editar secção: Propriedades" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=9" title="Editar código-fonte da secção: Propriedades"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Físicas"><span id="F.C3.ADsicas"></span>Físicas</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=10" title="Editar secção: Físicas" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=10" title="Editar código-fonte da secção: Físicas"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>As <a href="/wiki/Mol%C3%A9cula" title="Molécula">moléculas</a> dos anidridos são polares mas não fazem ligações de <a href="/wiki/Hidrog%C3%AAnio" class="mw-redirect" title="Hidrogênio">hidrogênio</a>, assim sendo possuem <a href="/wiki/Ponto_de_fus%C3%A3o" title="Ponto de fusão">ponto de fusão</a> e <a href="/wiki/Ponto_de_ebuli%C3%A7%C3%A3o" title="Ponto de ebulição">ponto de ebulição</a> mais baixos que os dos <a href="/wiki/%C3%81lcool" title="Álcool">álcoois</a> e dos <a href="/wiki/%C3%81cido_carbox%C3%ADlico" title="Ácido carboxílico">ácidos carboxílicos</a> correspondentes. São mais <a href="/wiki/Densidade" title="Densidade">densos</a> que a <a href="/wiki/%C3%81gua" title="Água">água</a> e pouco <a href="/wiki/Sol%C3%BAvel" class="mw-redirect" title="Solúvel">solúveis</a> nela, sendo no entanto mais solúveis em <a href="/wiki/Solventes" class="mw-redirect" title="Solventes">solventes</a> <a href="/wiki/Org%C3%A2nico" class="mw-disambig" title="Orgânico">orgânicos</a>. Os anidridos de baixo peso molecular são <a href="/wiki/L%C3%ADquido" title="Líquido">líquidos</a> de cheiro irritante e forte. </p> <div class="mw-heading mw-heading3"><h3 id="Químicas"><span id="Qu.C3.ADmicas"></span>Químicas</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=11" title="Editar secção: Químicas" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=11" title="Editar código-fonte da secção: Químicas"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Os anidridos acíclicos reagem com álcoois formando <a href="/wiki/%C3%89ster" title="Éster">ésteres</a> e o ácido correspondente e com <a href="/wiki/Amon%C3%ADaco" title="Amoníaco">amoníaco</a> formando <a href="/wiki/Amida" title="Amida">amida</a> e <a href="/wiki/Sal_org%C3%A2nico" class="mw-disambig" title="Sal orgânico">sal orgânico</a> de <a href="/wiki/Am%C3%B4nio" class="mw-redirect" title="Amônio">amônio</a>. Veja as reações: </p> <div class="mw-heading mw-heading2"><h2 id="Tipos_de_Anidrido">Tipos de Anidrido</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=12" title="Editar secção: Tipos de Anidrido" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=12" title="Editar código-fonte da secção: Tipos de Anidrido"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Anidrido_com_álcool"><span id="Anidrido_com_.C3.A1lcool"></span>Anidrido com álcool</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=13" title="Editar secção: Anidrido com álcool" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=13" title="Editar código-fonte da secção: Anidrido com álcool"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <center><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ (CH_{3}-CO)_{2}O+C_{2}H_{5}OH\rightarrow CH_{3}-COO-C_{2}H_{5}+CH_{3}-COOH}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mtext> </mtext> <mo stretchy="false">(</mo> <mi>C</mi> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mo>−</mo> <mi>C</mi> <mi>O</mi> <msub> <mo stretchy="false">)</mo> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mi>O</mi> <mo>+</mo> <msub> <mi>C</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>5</mn> </mrow> </msub> <mi>O</mi> <mi>H</mi> <mo stretchy="false">→</mo> <mi>C</mi> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mo>−</mo> <mi>C</mi> <mi>O</mi> <mi>O</mi> <mo>−</mo> <msub> <mi>C</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>5</mn> </mrow> </msub> <mo>+</mo> <mi>C</mi> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mo>−</mo> <mi>C</mi> <mi>O</mi> <mi>O</mi> <mi>H</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \ (CH_{3}-CO)_{2}O+C_{2}H_{5}OH\rightarrow CH_{3}-COO-C_{2}H_{5}+CH_{3}-COOH}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/1a55a75cb78682ad735b8b818918ab7c27ade146" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:71.598ex; height:2.843ex;" alt="{\displaystyle \ (CH_{3}-CO)_{2}O+C_{2}H_{5}OH\rightarrow CH_{3}-COO-C_{2}H_{5}+CH_{3}-COOH}"></span></center> <center><b><a href="/wiki/Anidrido_ac%C3%A9tico" title="Anidrido acético">Anidrido acético</a> + álcool acetato de etila + ácido acético</b> </center> <div class="mw-heading mw-heading3"><h3 id="Anidrido_com_amoníaco"><span id="Anidrido_com_amon.C3.ADaco"></span>Anidrido com amoníaco</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=14" title="Editar secção: Anidrido com amoníaco" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=14" title="Editar código-fonte da secção: Anidrido com amoníaco"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <center><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ (CH_{3}-CO)_{2}O+2NH_{3}\rightarrow CH_{3}-CO-NH_{2}+CH_{3}-COONH_{4}}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mtext> </mtext> <mo stretchy="false">(</mo> <mi>C</mi> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mo>−</mo> <mi>C</mi> <mi>O</mi> <msub> <mo stretchy="false">)</mo> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mi>O</mi> <mo>+</mo> <mn>2</mn> <mi>N</mi> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mo stretchy="false">→</mo> <mi>C</mi> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mo>−</mo> <mi>C</mi> <mi>O</mi> <mo>−</mo> <mi>N</mi> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mo>+</mo> <mi>C</mi> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mo>−</mo> <mi>C</mi> <mi>O</mi> <mi>O</mi> <mi>N</mi> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>4</mn> </mrow> </msub> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \ (CH_{3}-CO)_{2}O+2NH_{3}\rightarrow CH_{3}-CO-NH_{2}+CH_{3}-COONH_{4}}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/13269870536ba4f9c9923049a21b3d6435031e3f" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:68.831ex; height:2.843ex;" alt="{\displaystyle \ (CH_{3}-CO)_{2}O+2NH_{3}\rightarrow CH_{3}-CO-NH_{2}+CH_{3}-COONH_{4}}"></span></center> <center><b>Anidrido acético + amoníaco <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \rightarrow }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo stretchy="false">→</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \rightarrow }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/53e574cc3aa5b4bf5f3f5906caf121a378eef08b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.324ex; height:1.843ex;" alt="{\displaystyle \rightarrow }"></span> acetamida + acetato de amônio</b></center> <div class="mw-heading mw-heading2"><h2 id="Reação_de_Friedel-Crafts"><span id="Rea.C3.A7.C3.A3o_de_Friedel-Crafts"></span>Reação de Friedel-Crafts</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=15" title="Editar secção: Reação de Friedel-Crafts" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=15" title="Editar código-fonte da secção: Reação de Friedel-Crafts"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Os compostos de <a href="/wiki/Anel_arom%C3%A1tico" class="mw-redirect" title="Anel aromático">anéis aromáticos</a> (no caso, <a href="/wiki/Benzeno" title="Benzeno">benzeno</a>) reagem com o anidrido acético na famosa reação de <i><a href="/w/index.php?title=Friedel-Crafts&action=edit&redlink=1" class="new" title="Friedel-Crafts (página não existe)">Friedel-Crafts</a></i>, originando <a href="/wiki/Cetona" title="Cetona">cetonas</a>, sendo que <i>metade</i> da molécula forma a <a href="/wiki/Acila" class="mw-redirect" title="Acila">acila</a> e a outra <i>metade</i> resulta no ácido carboxílico. </p> <center><span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \ (CH_{3}-CO)_{2}O+C_{6}H_{6}\rightarrow C_{6}H_{5}-CO-CH_{3}+CH_{3}-COOH}"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mtext> </mtext> <mo stretchy="false">(</mo> <mi>C</mi> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mo>−</mo> <mi>C</mi> <mi>O</mi> <msub> <mo stretchy="false">)</mo> <mrow class="MJX-TeXAtom-ORD"> <mn>2</mn> </mrow> </msub> <mi>O</mi> <mo>+</mo> <msub> <mi>C</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>6</mn> </mrow> </msub> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>6</mn> </mrow> </msub> <mo stretchy="false">→</mo> <msub> <mi>C</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>6</mn> </mrow> </msub> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>5</mn> </mrow> </msub> <mo>−</mo> <mi>C</mi> <mi>O</mi> <mo>−</mo> <mi>C</mi> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mo>+</mo> <mi>C</mi> <msub> <mi>H</mi> <mrow class="MJX-TeXAtom-ORD"> <mn>3</mn> </mrow> </msub> <mo>−</mo> <mi>C</mi> <mi>O</mi> <mi>O</mi> <mi>H</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \ (CH_{3}-CO)_{2}O+C_{6}H_{6}\rightarrow C_{6}H_{5}-CO-CH_{3}+CH_{3}-COOH}</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/cc9dc3942b3fd8b87aacaf5db8039e7296b52a26" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.838ex; width:65.988ex; height:2.843ex;" alt="{\displaystyle \ (CH_{3}-CO)_{2}O+C_{6}H_{6}\rightarrow C_{6}H_{5}-CO-CH_{3}+CH_{3}-COOH}"></span></center> <center><b>Anidrido acético + benzeno <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \rightarrow }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mo stretchy="false">→</mo> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \rightarrow }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/53e574cc3aa5b4bf5f3f5906caf121a378eef08b" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.338ex; width:2.324ex; height:1.843ex;" alt="{\displaystyle \rightarrow }"></span> acetofenona + ácido acético</b></center> <div class="mw-heading mw-heading2"><h2 id="Condensação_de_Perkin"><span id="Condensa.C3.A7.C3.A3o_de_Perkin"></span>Condensação de Perkin</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=16" title="Editar secção: Condensação de Perkin" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=16" title="Editar código-fonte da secção: Condensação de Perkin"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Os aldeídos aromáticos, em presença de <a href="/wiki/Hidr%C3%B3xido" title="Hidróxido">hidróxidos</a>, reagem com anidridos formando ácidos <a href="/wiki/Insaturado" class="mw-redirect" title="Insaturado">insaturados</a> <span class="mwe-math-element"><span class="mwe-math-mathml-inline mwe-math-mathml-a11y" style="display: none;"><math xmlns="http://www.w3.org/1998/Math/MathML" alttext="{\displaystyle \alpha ,\beta }"> <semantics> <mrow class="MJX-TeXAtom-ORD"> <mstyle displaystyle="true" scriptlevel="0"> <mi>α</mi> <mo>,</mo> <mi>β</mi> </mstyle> </mrow> <annotation encoding="application/x-tex">{\displaystyle \alpha ,\beta }</annotation> </semantics> </math></span><img src="https://wikimedia.org/api/rest_v1/media/math/render/svg/e4b46b57cfa0011b643037751809904d915c1b48" class="mwe-math-fallback-image-inline mw-invert skin-invert" aria-hidden="true" style="vertical-align: -0.671ex; width:3.854ex; height:2.509ex;" alt="{\displaystyle \alpha ,\beta }"></span>. </p><p><span typeof="mw:File"><a href="/wiki/Ficheiro:Perkin-Brutto.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/6/67/Perkin-Brutto.png/516px-Perkin-Brutto.png" decoding="async" width="516" height="79" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/6/67/Perkin-Brutto.png/774px-Perkin-Brutto.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/6/67/Perkin-Brutto.png/1032px-Perkin-Brutto.png 2x" data-file-width="3221" data-file-height="492" /></a></span> </p> <div class="mw-heading mw-heading2"><h2 id="Reações_de_anidridos_cíclicos"><span id="Rea.C3.A7.C3.B5es_de_anidridos_c.C3.ADclicos"></span>Reações de anidridos cíclicos</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=17" title="Editar secção: Reações de anidridos cíclicos" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=17" title="Editar código-fonte da secção: Reações de anidridos cíclicos"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Reagem com álcoois formando éster-ácido. </p> <div class="mw-heading mw-heading3"><h3 id="Exemplos">Exemplos</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=18" title="Editar secção: Exemplos" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=18" title="Editar código-fonte da secção: Exemplos"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <div style="text-align: center;"><span typeof="mw:File"><a href="/wiki/Ficheiro:Anid005.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Anid005.JPG/500px-Anid005.JPG" decoding="async" width="500" height="132" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5b/Anid005.JPG/750px-Anid005.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/5/5b/Anid005.JPG 2x" data-file-width="962" data-file-height="254" /></a></span></div> <p>Os anidridos Succínico e o-Ftálico reagem da mesma forma, no entanto, por terem uma <a href="/w/index.php?title=Cadeia_c%C3%ADclica&action=edit&redlink=1" class="new" title="Cadeia cíclica (página não existe)">cadeia cíclica</a> carbono-carbono o composto <a href="/wiki/Acilo" class="mw-redirect" title="Acilo">acilo</a> e ácido carboxílico estarão na mesma molécula, contendo ao mesmo tempo estes grupos funcionais. </p> <div class="mw-heading mw-heading2"><h2 id="Anidrido_Succínico"><span id="Anidrido_Succ.C3.ADnico"></span>Anidrido Succínico</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=19" title="Editar secção: Anidrido Succínico" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=19" title="Editar código-fonte da secção: Anidrido Succínico"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <div style="text-align: center;"><span typeof="mw:File"><a href="/wiki/Ficheiro:Anid008.JPG" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/0/08/Anid008.JPG/500px-Anid008.JPG" decoding="async" width="500" height="133" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/08/Anid008.JPG/750px-Anid008.JPG 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/08/Anid008.JPG/1000px-Anid008.JPG 2x" data-file-width="1100" data-file-height="292" /></a></span></div> <div class="mw-heading mw-heading2"><h2 id="Anidrido_Ftálico"><span id="Anidrido_Ft.C3.A1lico"></span>Anidrido Ftálico</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=20" title="Editar secção: Anidrido Ftálico" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=20" title="Editar código-fonte da secção: Anidrido Ftálico"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <div style="text-align: center;"><span typeof="mw:File"><a href="/wiki/Ficheiro:2-Benzoylbenzoes%C3%A4ure_Synthese.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7d/2-Benzoylbenzoes%C3%A4ure_Synthese.svg/500px-2-Benzoylbenzoes%C3%A4ure_Synthese.svg.png" decoding="async" width="500" height="127" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7d/2-Benzoylbenzoes%C3%A4ure_Synthese.svg/750px-2-Benzoylbenzoes%C3%A4ure_Synthese.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7d/2-Benzoylbenzoes%C3%A4ure_Synthese.svg/1000px-2-Benzoylbenzoes%C3%A4ure_Synthese.svg.png 2x" data-file-width="410" data-file-height="104" /></a></span></div> <div class="mw-heading mw-heading2"><h2 id="Ver_também"><span id="Ver_tamb.C3.A9m"></span>Ver também</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Anidrido&veaction=edit&section=21" title="Editar secção: Ver também" class="mw-editsection-visualeditor"><span>editar</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Anidrido&action=edit&section=21" title="Editar código-fonte da secção: Ver também"><span>editar código-fonte</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/wiki/%C3%81cido" title="Ácido">Ácido</a></li> <li><a href="/wiki/%C3%93xido" title="Óxido">Óxido</a></li></ul> <h2 id="Referências" style="cursor: help;" title="Esta seção foi configurada para não ser editável diretamente. Edite a página toda ou a seção anterior em vez disso."><span id="Refer.C3.AAncias"></span>Referências</h2> <div class="reflist" style="list-style-type: decimal;"><div class="mw-references-wrap"><ol class="references"> <li id="cite_note-iupac-1"><span class="mw-cite-backlink"><a href="#cite_ref-iupac_1-0">↑</a></span> <span class="reference-text"><a href="/wiki/Uni%C3%A3o_Internacional_de_Qu%C3%ADmica_Pura_e_Aplicada" title="União Internacional de Química Pura e Aplicada">IUPAC</a>, <i><a href="https://en.wikipedia.org/wiki/Compendium_of_Chemical_Terminology" class="extiw" title="en:Compendium of Chemical Terminology">Compêndio de Terminologia Química</a></i>, 2ª ed. ("Gold Book"). Compilado por A. D. McNaught e A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Versão online: "<a rel="nofollow" class="external text" href="http://goldbook.iupac.org/A00072.html">acid anhydrides</a>"  (2006–) criado por M. Nic, J. Jirat, B. Kosata; atualizações compiladas por A. Jenkins. <a href="/wiki/Especial:Fontes_de_livros/0967855098" class="internal mw-magiclink-isbn">ISBN 0-9678550-9-8</a>.</span> </li> <li id="cite_note-iupac.sulfonic-2"><span class="mw-cite-backlink"><a href="#cite_ref-iupac.sulfonic_2-0">↑</a></span> <span class="reference-text"><a href="/wiki/Uni%C3%A3o_Internacional_de_Qu%C3%ADmica_Pura_e_Aplicada" title="União Internacional de Química Pura e Aplicada">IUPAC</a>, <i><a href="https://en.wikipedia.org/wiki/Compendium_of_Chemical_Terminology" class="extiw" title="en:Compendium of Chemical Terminology">Compêndio de Terminologia Química</a></i>, 2ª ed. ("Gold Book"). Compilado por A. D. McNaught e A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). Versão online: "<a rel="nofollow" class="external text" href="http://goldbook.iupac.org/S06119.html">sulfonic anhydrides</a>"  (2006–) criado por M. Nic, J. Jirat, B. Kosata; atualizações compiladas por A. Jenkins. <a href="/wiki/Especial:Fontes_de_livros/0967855098" class="internal mw-magiclink-isbn">ISBN 0-9678550-9-8</a>.</span> </li> </ol></div></div> <ul class="noprint navigation-box" style="border-top: solid silver 1px; border-right: solid silver 1px; border-bottom:1px solid silver; border-left: solid silver 1px; padding:3px; background-color: #F9F9F9; text-align: center; margin-top:10px; margin-left: 0; clear: both;"><li style="display: inline;"><span style="white-space: nowrap; margin: auto 1.5em"><span style="margin-right: 0.5em"><span typeof="mw:File"><a href="/wiki/Ficheiro:Sciences_exactes.svg" title="Portal da química"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/37/Sciences_exactes.svg/25px-Sciences_exactes.svg.png" decoding="async" width="25" height="25" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/37/Sciences_exactes.svg/38px-Sciences_exactes.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/37/Sciences_exactes.svg/50px-Sciences_exactes.svg.png 2x" data-file-width="256" data-file-height="256" /></a></span></span> <span style="font-weight:bold"><a href="/wiki/Portal:Qu%C3%ADmica" title="Portal:Química">Portal da química</a></span></span></li> </ul>    </div><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Obtida de "<a dir="ltr" href="https://pt.wikipedia.org/w/index.php?title=Anidrido&oldid=58878154">https://pt.wikipedia.org/w/index.php?title=Anidrido&oldid=58878154</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Especial:Categorias" title="Especial:Categorias">Categoria</a>: <ul><li><a href="/wiki/Categoria:Anidridos_de_%C3%A1cido" title="Categoria:Anidridos de ácido">Anidridos de ácido</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Categorias ocultas: <ul><li><a href="/wiki/Categoria:!P%C3%A1ginas_que_usam_hiperliga%C3%A7%C3%B5es_m%C3%A1gicas_ISBN" title="Categoria:!Páginas que usam hiperligações mágicas ISBN">!Páginas que usam hiperligações mágicas ISBN</a></li><li><a href="/wiki/Categoria:!Artigos_que_carecem_de_notas_de_rodap%C3%A9_desde_junho_de_2011" title="Categoria:!Artigos que carecem de notas de rodapé desde junho de 2011">!Artigos que carecem de notas de rodapé desde junho de 2011</a></li><li><a href="/wiki/Categoria:!Artigos_que_carecem_de_notas_de_rodap%C3%A9_sem_indica%C3%A7%C3%A3o_de_tema" title="Categoria:!Artigos que carecem de notas de rodapé sem indicação de tema">!Artigos que carecem de notas de rodapé sem indicação de tema</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"> Esta página foi editada pela última vez às 13h40min de 27 de julho de 2020.</li> <li id="footer-info-copyright">Este texto é disponibilizado nos termos da licença <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.pt">Atribuição-CompartilhaIgual 4.0 Internacional (CC BY-SA 4.0) da Creative Commons</a>; pode estar sujeito a condições adicionais. 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