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2-pirolidonă - Wikipedia

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Disponibil în 17 limbi" > <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-17" 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">17 limbi</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%A8%D9%8A%D8%B1%D9%88%D9%84%D9%8A%D8%AF%D9%88%D9%86-2" title="بيروليدون-2 – arabă" lang="ar" hreflang="ar" data-title="بيروليدون-2" data-language-autonym="العربية" data-language-local-name="arabă" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%DB%B2-%D9%BE%DB%8C%D8%B1%D9%88%D9%84%DB%8C%D8%AF%D9%88%D9%86" title="۲-پیرولیدون – South Azerbaijani" lang="azb" hreflang="azb" data-title="۲-پیرولیدون" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/2-pyrrolidon" title="2-pyrrolidon – cehă" lang="cs" hreflang="cs" data-title="2-pyrrolidon" data-language-autonym="Čeština" data-language-local-name="cehă" 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/%CE%93-Butyrolactam" title="Γ-Butyrolactam – germană" lang="de" hreflang="de" data-title="Γ-Butyrolactam" data-language-autonym="Deutsch" data-language-local-name="germană" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/2-Pyrrolidone" title="2-Pyrrolidone – engleză" lang="en" hreflang="en" data-title="2-Pyrrolidone" data-language-autonym="English" data-language-local-name="engleză" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%DB%B2-%D9%BE%DB%8C%D8%B1%D9%88%D9%84%DB%8C%D8%AF%D9%88%D9%86" title="۲-پیرولیدون – persană" lang="fa" hreflang="fa" data-title="۲-پیرولیدون" data-language-autonym="فارسی" data-language-local-name="persană" 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/Pyrrolidoni" title="Pyrrolidoni – finlandeză" lang="fi" hreflang="fi" data-title="Pyrrolidoni" data-language-autonym="Suomi" data-language-local-name="finlandeză" 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/2-Pyrrolidone" title="2-Pyrrolidone – franceză" lang="fr" hreflang="fr" data-title="2-Pyrrolidone" data-language-autonym="Français" data-language-local-name="franceză" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/2-pirrolidone" title="2-pirrolidone – italiană" lang="it" hreflang="it" data-title="2-pirrolidone" data-language-autonym="Italiano" data-language-local-name="italiană" 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/2-%E3%83%94%E3%83%AD%E3%83%AA%E3%83%89%E3%83%B3" title="2-ピロリドン – japoneză" lang="ja" hreflang="ja" data-title="2-ピロリドン" data-language-autonym="日本語" data-language-local-name="japoneză" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/2-pyrrolidon" title="2-pyrrolidon – neerlandeză" lang="nl" hreflang="nl" data-title="2-pyrrolidon" data-language-autonym="Nederlands" data-language-local-name="neerlandeză" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/2-Pirolidon" title="2-Pirolidon – poloneză" lang="pl" hreflang="pl" data-title="2-Pirolidon" data-language-autonym="Polski" data-language-local-name="poloneză" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/2-Pirrolidona" title="2-Pirrolidona – portugheză" lang="pt" hreflang="pt" data-title="2-Pirrolidona" data-language-autonym="Português" data-language-local-name="portugheză" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%9F%D0%B8%D1%80%D1%80%D0%BE%D0%BB%D0%B8%D0%B4%D0%BE%D0%BD" title="Пирролидон – rusă" lang="ru" hreflang="ru" data-title="Пирролидон" data-language-autonym="Русский" data-language-local-name="rusă" 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/2-Pirolidon" title="2-Pirolidon – sârbo-croată" lang="sh" hreflang="sh" data-title="2-Pirolidon" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="sârbo-croată" 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/2-Pirolidon" title="2-Pirolidon – sârbă" lang="sr" hreflang="sr" data-title="2-Pirolidon" data-language-autonym="Српски / srpski" data-language-local-name="sârbă" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/2-%E5%90%A1%E5%92%AF%E7%83%B7%E9%85%AE" title="2-吡咯烷酮 – chineză" lang="zh" hreflang="zh" data-title="2-吡咯烷酮" data-language-autonym="中文" data-language-local-name="chineză" class="interlanguage-link-target"><span>中文</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/Q285640#sitelinks-wikipedia" title="Modifică legăturile interlinguale" class="wbc-editpage">Modifică legăturile</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="Spații de nume"> <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/2-pirolidon%C4%83" title="Vedeți conținutul paginii [a]" accesskey="a"><span>Articol</span></a></li><li id="ca-talk" class="vector-tab-noicon mw-list-item"><a href="/wiki/Discu%C8%9Bie:2-pirolidon%C4%83" rel="discussion" title="Discuții despre această pagină [t]" accesskey="t"><span>Discuție</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="Change language variant" > <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">română</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="Vizualizări"> <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/2-pirolidon%C4%83"><span>Lectură</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=2-pirolidon%C4%83&amp;veaction=edit" title="Modificați această pagină cu EditorulVizual [v]" accesskey="v"><span>Modificare</span></a></li><li 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[h]" accesskey="h"><span>Istoric</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Page tools"> <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="Unelte" > <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">Unelte</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 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class="noprint">De la Wikipedia, enciclopedia liberă</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="ro" dir="ltr"><table class="infocaseta"><tbody><tr><td colspan="2" class="antet stiinteexacte" style="background-color:#ffdead;color:#000000;">2-pirolidonă</td></tr><tr><td colspan="2" style="text-align:center"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/Fi%C8%99ier:Structural_formula_of_2-pyrrolidone.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/Structural_formula_of_2-pyrrolidone.svg/220px-Structural_formula_of_2-pyrrolidone.svg.png" decoding="async" width="220" height="185" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/85/Structural_formula_of_2-pyrrolidone.svg/330px-Structural_formula_of_2-pyrrolidone.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/85/Structural_formula_of_2-pyrrolidone.svg/440px-Structural_formula_of_2-pyrrolidone.svg.png 2x" data-file-width="158" data-file-height="133" /></a></span></td></tr><tr><td colspan="2" style="text-align:center"><span class="mw-default-size" typeof="mw:File/Frameless"><a href="/wiki/Fi%C8%99ier:Pyrrolidone-3D-vdW.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Pyrrolidone-3D-vdW.png/220px-Pyrrolidone-3D-vdW.png" decoding="async" width="220" height="194" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Pyrrolidone-3D-vdW.png/330px-Pyrrolidone-3D-vdW.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Pyrrolidone-3D-vdW.png/440px-Pyrrolidone-3D-vdW.png 2x" data-file-width="1024" data-file-height="901" /></a></span></td></tr><tr><th colspan="2" class="" style="text-align:center;background-color:#ffdead;color:#000000;">Identificare</th></tr><tr><td colspan="2" class="" style="text-align:center;;"><div class="NavFrame" style=""><div class="NavHead" align="left" style="width:96%;background:inherit;color:var(--color-base, #000)"><a href="/wiki/SMILES" class="mw-redirect" title="SMILES">SMILES</a></div><div class="NavContent" style="text-align:left;display:none;">C1CC(=O)NC1<sup id="cite_ref-8ecb3fcc525119af6cbbfaf8d0282b68_1-0" class="reference"><a href="#cite_note-8ecb3fcc525119af6cbbfaf8d0282b68-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup><style data-mw-deduplicate="TemplateStyles:r16236537">.mw-parser-output cite.citation{font-style:inherit}.mw-parser-output .citation q{quotes:"„""”""«""»"}.mw-parser-output .citation .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .citation .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-maint{display:none;color:#33aa33;margin-left:0.3em}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}</style>&#160; <span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q285640#P233" title="Modificați la Wikidata"><img alt="Modificați la Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></div></div></td></tr><tr><th style=";"><a href="/wiki/Num%C4%83r_CAS" class="mw-redirect" title="Număr CAS">Număr CAS</a></th><td colspan="1" class="" style=";">616-45-5</td></tr><tr><th style=";"><a href="/wiki/ChEMBL" title="ChEMBL">ChEMBL</a></th><td colspan="1" class="" style=";"><a rel="nofollow" class="external text" href="https://www.ebi.ac.uk/chembldb/index.php/compound/inspect/CHEMBL276849">CHEMBL276849</a></td></tr><tr><th style=";"><a href="/wiki/PubChem" title="PubChem">PubChem</a> CID</th><td colspan="1" class="" style=";"><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/12025">12025</a></td></tr><tr><th style=";"><a href="/wiki/Formul%C4%83_chimic%C4%83" title="Formulă chimică">Formulă chimică</a></th><td colspan="1" class="" style=";">C₄H₇NO<sup id="cite_ref-8ecb3fcc525119af6cbbfaf8d0282b68_1-1" class="reference"><a href="#cite_note-8ecb3fcc525119af6cbbfaf8d0282b68-1"><span class="cite-bracket">&#91;</span>1<span class="cite-bracket">&#93;</span></a></sup><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r16236537">&#160; <span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q285640#P274" title="Modificați la Wikidata"><img alt="Modificați la Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></td></tr><tr><th style=";">Masă molară</th><td colspan="1" class="" style=";">85,053&#160;u.a.m.<sup id="cite_ref-c2f845781286168b496d9fd45dd89b0b_2-0" class="reference"><a href="#cite_note-c2f845781286168b496d9fd45dd89b0b-2"><span class="cite-bracket">&#91;</span>2<span class="cite-bracket">&#93;</span></a></sup><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r16236537">&#160; <span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q285640#P2067" title="Modificați la Wikidata"><img alt="Modificați la Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></td></tr><tr><th style=";"><a href="/wiki/Punct_de_topire" title="Punct de topire">Punct de topire</a></th><td colspan="1" class="" style=";">24&#160;°C<sup id="cite_ref-b803b0ad08e4669ec97bff3835807a17_3-0" class="reference"><a href="#cite_note-b803b0ad08e4669ec97bff3835807a17-3"><span class="cite-bracket">&#91;</span>3<span class="cite-bracket">&#93;</span></a></sup><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r16236537">&#160; <span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q285640#P2101" title="Modificați la Wikidata"><img alt="Modificați la Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span></td></tr><tr><th style=";"><a href="/wiki/Punct_de_fierbere" title="Punct de fierbere">Punct de fierbere</a></th><td colspan="1" class="" style=";">245&#160;°C<sup id="cite_ref-f507526ec53db3037073a1fe598382fd_4-0" class="reference"><a href="#cite_note-f507526ec53db3037073a1fe598382fd-4"><span class="cite-bracket">&#91;</span>4<span class="cite-bracket">&#93;</span></a></sup><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r16236537">&#160; <span class="mw-valign-text-top" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q285640#P2102" title="Modificați la Wikidata"><img alt="Modificați la Wikidata" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/10px-Blue_pencil.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/15px-Blue_pencil.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/73/Blue_pencil.svg/20px-Blue_pencil.svg.png 2x" data-file-width="600" data-file-height="600" /></a></span>&#32;la&#32;101,325 kilopascali</td></tr><tr><td colspan="2" class="" style="text-align:center;;"><small><i>Sunt folosite unitățile <a href="/wiki/Sistemul_interna%C8%9Bional_de_unit%C4%83%C8%9Bi" title="Sistemul internațional de unități">SI</a> și condițiile de temperatură și presiune normale dacă nu s-a specificat altfel.</i></small></td></tr><tr><td class="navigation-only" colspan="2" style="border-top: 2px ##ffdead solid; font-size: 80%; background:inherit; color:var(--color-base, #000); text-align: right;"><span class="plainlinks" style="float:left;">Modifică <a href="https://www.wikidata.org/wiki/Q285640" class="extiw" title="d:Q285640">date</a> /&#32;<a class="external text" href="https://ro.wikipedia.org/w/index.php?title=2-pirolidon%C4%83&amp;action=edit&amp;section=0">text</a></span>&#160;<span title="Consultați documentația formatului"><span typeof="mw:File"><a href="//ro.wikipedia.org/wiki/Format:Infocaseta_Substan%C8%9B%C4%83" title="Consultați documentația formatului"><img alt="Consultați documentația formatului" src="//upload.wikimedia.org/wikipedia/commons/thumb/b/b4/Gtk-dialog-info.svg/12px-Gtk-dialog-info.svg.png" decoding="async" width="12" height="12" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/b/b4/Gtk-dialog-info.svg/18px-Gtk-dialog-info.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/b/b4/Gtk-dialog-info.svg/24px-Gtk-dialog-info.svg.png 2x" data-file-width="60" data-file-height="60" /></a></span></span></td></tr></tbody></table><style data-mw-deduplicate="TemplateStyles:r16573438">.mw-parser-output .infocaseta{background:var(--background-color-neutral-subtle,#f8f9fa);color:var(--color-base,#000)}.mw-parser-output .infobox-subbox{padding:0;border:none;margin:-3px;width:auto;min-width:100%;font-size:100%;clear:none;float:none;background-color:transparent}.mw-parser-output .infobox-3cols-child{margin:auto}.mw-parser-output .infobox .navbar{font-size:100%}body.skin-minerva .mw-parser-output .infobox-header,body.skin-minerva .mw-parser-output .infobox-subheader,body.skin-minerva .mw-parser-output .infobox-above,body.skin-minerva .mw-parser-output .infobox-title,body.skin-minerva .mw-parser-output .infobox-image,body.skin-minerva .mw-parser-output .infobox-full-data,body.skin-minerva .mw-parser-output .infobox-below{text-align:center}</style> <p><b>2-pirolidona</b> (denumită și <b>butirolactamă</b>) este un <a href="/wiki/Compus_organic" title="Compus organic">compus organic</a> de tip γ-<a href="/wiki/Lactam%C4%83" title="Lactamă">lactamă</a>, fiind un compus pentaciclic. Este un compus lichid, miscibil cu apa și majoritatea solvenților organici.<sup id="cite_ref-ULLMANN_5-0" class="reference"><a href="#cite_note-ULLMANN-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup> Derivații săi prezintă diverse utilizări industriale. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Obținere"><span id="Ob.C8.9Binere"></span>Obținere</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=2-pirolidon%C4%83&amp;veaction=edit&amp;section=1" title="Modifică secțiunea: Obținere" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=2-pirolidon%C4%83&amp;action=edit&amp;section=1" title="Edit section&#039;s source code: Obținere"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>2-pirolidona este obținută la nivel industrial majoritar pe o singură cale, prin tratarea <a href="/wiki/Gama-butirolacton%C4%83" title="Gama-butirolactonă">gama-butirolactonei</a> cu <a href="/wiki/Amoniac" title="Amoniac">amoniac</a> la temperaturi cuprinse între 250–290 °C și la presiuni de 0,4–1,4 MPa, pe catalizator solid de <a href="/wiki/Silicat_de_magneziu" class="mw-redirect" title="Silicat de magneziu">silicat de magneziu</a>.<sup id="cite_ref-ULLMANN_5-1" class="reference"><a href="#cite_note-ULLMANN-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup>: </p> <dl><dd><span typeof="mw:File/Frameless"><a href="/wiki/Fi%C8%99ier:Industrial_synthesis_of_2-pyrrolidone.svg" class="mw-file-description" title="Reaction of γ-butyrolactone with ammonia to form 2-pyrrolidone (γ-butyrolactam) and water in the presence of a solid magnesium silicate catalyst"><img alt="Reaction of γ-butyrolactone with ammonia to form 2-pyrrolidone (γ-butyrolactam) and water in the presence of a solid magnesium silicate catalyst" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c1/Industrial_synthesis_of_2-pyrrolidone.svg/400px-Industrial_synthesis_of_2-pyrrolidone.svg.png" decoding="async" width="400" height="64" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c1/Industrial_synthesis_of_2-pyrrolidone.svg/600px-Industrial_synthesis_of_2-pyrrolidone.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c1/Industrial_synthesis_of_2-pyrrolidone.svg/800px-Industrial_synthesis_of_2-pyrrolidone.svg.png 2x" data-file-width="843" data-file-height="135" /></a></span></dd></dl> <p>Metode alternative de sinteză includ reducerea electrochimică sau catalitică a <a href="/wiki/Succinimid%C4%83" title="Succinimidă">succinimidei</a>, <a href="/wiki/Carbonilare" title="Carbonilare">carbonilarea</a> <a href="/wiki/Alilamin%C4%83" title="Alilamină">alilaminei</a>, <a href="/wiki/Hidrogenare" title="Hidrogenare">hidrogenarea</a> succinonitrilului în condiții hidrolitice și reacția dintre <a href="/wiki/Anhidrid%C4%83_maleic%C4%83" title="Anhidridă maleică">anhidrida maleică</a> sau <a href="/wiki/Anhidrid%C4%83_succinic%C4%83" title="Anhidridă succinică">succinică</a> în amoniac apos și catalizatorul de Pd-Ru.<sup id="cite_ref-ULLMANN_5-2" class="reference"><a href="#cite_note-ULLMANN-5"><span class="cite-bracket">&#91;</span>5<span class="cite-bracket">&#93;</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="Proprietăți"><span id="Propriet.C4.83.C8.9Bi"></span>Proprietăți</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=2-pirolidon%C4%83&amp;veaction=edit&amp;section=2" title="Modifică secțiunea: Proprietăți" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=2-pirolidon%C4%83&amp;action=edit&amp;section=2" title="Edit section&#039;s source code: Proprietăți"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Mulți derivați de 2-pirolidonă sunt substanțe <a href="/wiki/Medicament" title="Medicament">medicamentoase</a> sau importante în medicină; de exemplu: <a href="/wiki/Cotinin%C4%83" title="Cotinină">cotinină</a>, <a href="/w/index.php?title=Doxapram&amp;action=edit&amp;redlink=1" class="new" title="Doxapram — pagină inexistentă">doxapram</a>, <a href="/wiki/Povidon%C4%83" class="mw-redirect" title="Povidonă">povidonă</a> (vezi și <a href="/wiki/Iod_povidon%C4%83" title="Iod povidonă">iod povidonă</a>) și <a href="/wiki/Etosuximid%C4%83" title="Etosuximidă">etosuximidă</a>, cât și clasa <a href="/w/index.php?title=Racetam&amp;action=edit&amp;redlink=1" class="new" title="Racetam — pagină inexistentă">racetamilor</a> (<a href="/wiki/Brivaracetam" title="Brivaracetam">brivaracetam</a>, <a href="/wiki/Levetiracetam" title="Levetiracetam">levetiracetam</a>, <a href="/wiki/Pramiracetam" title="Pramiracetam">pramiracetam</a>, <a href="/wiki/Piracetam" title="Piracetam">piracetam</a>, etc.). </p> <div class="mw-heading mw-heading2"><h2 id="Note">Note</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=2-pirolidon%C4%83&amp;veaction=edit&amp;section=3" title="Modifică secțiunea: Note" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=2-pirolidon%C4%83&amp;action=edit&amp;section=3" title="Edit section&#039;s source code: Note"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-8ecb3fcc525119af6cbbfaf8d0282b68-1">^ <a href="#cite_ref-8ecb3fcc525119af6cbbfaf8d0282b68_1-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-8ecb3fcc525119af6cbbfaf8d0282b68_1-1"><sup><i><b>b</b></i></sup></a> <span class="reference-text"><cite class="citation"><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/12025">„2-pirolidonă”</a>, <i>2-Pyrrolidinone</i> (în engleză), <a href="/wiki/PubChem" title="PubChem">PubChem</a><span class="reference-accessdate">, accesat în <time datetime="2016-11-19">19 noiembrie 2016</time></span></cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.atitle=2-pirolidon%C4%83&amp;rft.btitle=2-Pyrrolidinone&amp;rft.pub=PubChem&amp;rft_id=https%3A%2F%2Fpubchem.ncbi.nlm.nih.gov%2Fcompound%2F12025&amp;rfr_id=info%3Asid%2Fro.wikipedia.org%3A2-pirolidon%C4%83" class="Z3988"><span style="display:none;">&#160;</span></span></span> </li> <li id="cite_note-c2f845781286168b496d9fd45dd89b0b-2"><b><a href="#cite_ref-c2f845781286168b496d9fd45dd89b0b_2-0">^</a></b> <span class="reference-text"><cite class="citation"><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/12025">„2-pirolidonă”</a>, <i>2-Pyrrolidinone</i> (în engleză), <a href="/wiki/PubChem" title="PubChem">PubChem</a><span class="reference-accessdate">, accesat în <time datetime="2016-10-19">19 octombrie 2016</time></span></cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.atitle=2-pirolidon%C4%83&amp;rft.btitle=2-Pyrrolidinone&amp;rft.pub=PubChem&amp;rft_id=https%3A%2F%2Fpubchem.ncbi.nlm.nih.gov%2Fcompound%2F12025&amp;rfr_id=info%3Asid%2Fro.wikipedia.org%3A2-pirolidon%C4%83" class="Z3988"><span style="display:none;">&#160;</span></span></span> </li> <li id="cite_note-b803b0ad08e4669ec97bff3835807a17-3"><b><a href="#cite_ref-b803b0ad08e4669ec97bff3835807a17_3-0">^</a></b> <span class="reference-text"><cite class="citation"><a rel="nofollow" class="external text" href="https://figshare.com/articles/Jean_Claude_Bradley_Open_Melting_Point_Datset/1031637/2"><i><span lang="en">Jean-Claude Bradley Open Melting Point Dataset</span></i></a></cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=%3Cspan+lang%3D%22en%22%3EJean-Claude+Bradley+Open+Melting+Point+Dataset%3C%2Fspan%3E&amp;rft_id=https%3A%2F%2Ffigshare.com%2Farticles%2FJean_Claude_Bradley_Open_Melting_Point_Datset%2F1031637%2F2&amp;rfr_id=info%3Asid%2Fro.wikipedia.org%3A2-pirolidon%C4%83" class="Z3988"><span style="display:none;">&#160;</span></span></span> </li> <li id="cite_note-f507526ec53db3037073a1fe598382fd-4"><b><a href="#cite_ref-f507526ec53db3037073a1fe598382fd_4-0">^</a></b> <span class="reference-text"><cite class="citation"><i><a href="https://www.wikidata.org/wiki/Q22236188" class="extiw" title="d:Q22236188"><span lang="en">Basic laboratory and industrial chemicals: A CRC quick reference handbook</span></a><abbr title="Articolul încă nu există în acest wiki">[*]</abbr><span style="display:none">[[<span lang="en">Basic laboratory and industrial chemicals: A CRC quick reference handbook</span> (book by David Lide from 1993)|&#8203;]]</span></i></cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=book&amp;rft.btitle=%26%238203%3B%5D%5D%3C%2Fspan%3E%5B%5BCategorie%3AArticole+cu+leg%C4%83turi+c%C4%83tre+elemente+f%C4%83r%C4%83+etichet%C4%83+%C3%AEn+limba+rom%C3%A2n%C4%83&amp;rfr_id=info%3Asid%2Fro.wikipedia.org%3A2-pirolidon%C4%83" class="Z3988"><span style="display:none;">&#160;</span></span> <span style="font-size:100%" class="error citation-comment"><span style="font-size:100%" class="error citation-comment">Verificați valoarea <code style="color:inherit; border:inherit; padding:inherit;">&#124;titlelink=</code> (<a href="/wiki/Ajutor:Erori_CS1#bad_paramlink" title="Ajutor:Erori CS1">ajutor</a>)</span></span></span> </li> <li id="cite_note-ULLMANN-5">^ <a href="#cite_ref-ULLMANN_5-0"><sup><i><b>a</b></i></sup></a> <a href="#cite_ref-ULLMANN_5-1"><sup><i><b>b</b></i></sup></a> <a href="#cite_ref-ULLMANN_5-2"><sup><i><b>c</b></i></sup></a> <span class="reference-text"><cite id="CITEREFAlbrecht_Ludwig_HarreusR._BackesJ.‐O._EichlerR._Feuerhake2005" class="citation">Albrecht Ludwig Harreus; R. Backes; J.‐O. Eichler; R. Feuerhake; C. Jäkel; U. Mahn; R. Pinkos; R. Vogelsang (<time datetime="2005">2005</time>), „2‐Pyrrolidone”, <i><a href="/wiki/Ullmann%27s_Encyclopedia_of_Industrial_Chemistry" title="Ullmann&#39;s Encyclopedia of Industrial Chemistry">Ullmann's Encyclopedia of Industrial Chemistry</a></i>, Weinheim: Wiley-VCH, <a href="/wiki/Digital_object_identifier" title="Digital object identifier">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1002%2F14356007.a22_457.pub2">10.1002/14356007.a22_457.pub2</a></cite><span title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&amp;rft.genre=bookitem&amp;rft.atitle=2%E2%80%90Pyrrolidone&amp;rft.btitle=Ullmann%27s+Encyclopedia+of+Industrial+Chemistry&amp;rft.place=Weinheim&amp;rft.pub=Wiley-VCH&amp;rft.date=2005&amp;rft_id=info%3Adoi%2F10.1002%2F14356007.a22_457.pub2&amp;rft.au=Albrecht+Ludwig+Harreus&amp;rft.au=R.+Backes&amp;rft.au=J.%E2%80%90O.+Eichler&amp;rft.au=R.+Feuerhake&amp;rft.au=C.+J%C3%A4kel&amp;rft.au=U.+Mahn&amp;rft.au=R.+Pinkos&amp;rft.au=R.+Vogelsang&amp;rfr_id=info%3Asid%2Fro.wikipedia.org%3A2-pirolidon%C4%83" class="Z3988"><span style="display:none;">&#160;</span></span><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r16236537"></span> </li> </ol></div> <div class="mw-heading mw-heading2"><h2 id="Vezi_și"><span id="Vezi_.C8.99i"></span>Vezi și</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=2-pirolidon%C4%83&amp;veaction=edit&amp;section=4" title="Modifică secțiunea: Vezi și" class="mw-editsection-visualeditor"><span>modificare</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=2-pirolidon%C4%83&amp;action=edit&amp;section=4" title="Edit section&#039;s source code: Vezi și"><span>modificare sursă</span></a><span class="mw-editsection-bracket">]</span></span></div> <ul><li><a href="/w/index.php?title=Racetam&amp;action=edit&amp;redlink=1" class="new" title="Racetam — pagină inexistentă">Racetam</a></li> <li><a href="/wiki/Polivinilpirolidon%C4%83" title="Polivinilpirolidonă">Polivinilpirolidonă</a> (PVP)</li></ul> <div role="navigation" class="navbox" aria-label="Navbox" style="padding:3px"><table class="nowraplinks hlist navbox-inner" style="border-spacing:0;color:inherit"><tbody><tr><th scope="row" class="navbox-group" style="width:1%"><a href="/wiki/Ajutor:Control_de_autoritate" title="Ajutor:Control de autoritate">Control de autoritate</a></th><td class="navbox-list navbox-odd" style="text-align:left;border-left-width:2px;border-left-style:solid;width:100%;padding:0px"><div style="padding:0em 0.25em"> <ul><li><span class="nowrap"><a href="/wiki/Integrated_Authority_File" class="mw-redirect" title="Integrated Authority File">GND</a>: <span class="uid"><a rel="nofollow" class="external text" href="https://d-nb.info/gnd/4311377-1">4311377-1</a></span></span></li></ul> </div></td><td class="navbox-image" rowspan="1" style="width:1px;padding:0px 0px 0px 2px"><div><span class="skin-invert" typeof="mw:File/Frameless"><a href="/wiki/Ajutor:Control_de_autoritate" title="Ajutor:Control de autoritate"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/OOjs_UI_icon_helpNotice-ltr.svg/20px-OOjs_UI_icon_helpNotice-ltr.svg.png" decoding="async" width="20" height="20" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fd/OOjs_UI_icon_helpNotice-ltr.svg/30px-OOjs_UI_icon_helpNotice-ltr.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fd/OOjs_UI_icon_helpNotice-ltr.svg/40px-OOjs_UI_icon_helpNotice-ltr.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></div></td></tr></tbody></table></div> <!-- NewPP limit report Parsed by mw‐api‐ext.codfw.main‐f46685b77‐6cmsq Cached time: 20241205023559 Cache expiry: 2592000 Reduced expiry: false Complications: [show‐toc] CPU time usage: 0.595 seconds Real time usage: 0.819 seconds Preprocessor visited node count: 1310/1000000 Post‐expand include size: 26346/2097152 bytes Template argument size: 632/2097152 bytes Highest expansion depth: 12/100 Expensive parser function count: 2/500 Unstrip recursion depth: 1/20 Unstrip post‐expand size: 19026/5000000 bytes Lua time usage: 0.465/10.000 seconds Lua memory usage: 23390412/52428800 bytes Number of Wikibase entities loaded: 10/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 680.112 1 -total 92.62% 629.889 1 Format:Infocaseta_Substanță 92.13% 626.563 1 Format:Infocasetă 40.78% 277.321 10 Format:Date_înlănțuite_de_la_Wikidata 31.91% 217.040 4 Format:Comma_separated_entries 20.90% 142.137 7 Format:Valoare_unică_de_la_Wikidata 15.17% 103.177 3 Format:Listă_de_la_Wikidata 14.04% 95.495 1 Format:Collapsible_list 4.07% 27.702 1 Format:Control_de_autoritate 2.17% 14.774 1 Format:Ullmann --> <!-- Saved in parser cache with key rowiki:pcache:2924501:|#|:idhash:canonical and timestamp 20241205023559 and revision id 15615197. 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