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Benzisoxazole - Wikipedia
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Available in 16 languages" > <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-16" 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">16 languages</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%86%D8%B2%D8%A5%D9%8A%D8%B2%D9%88%D9%83%D8%B3%D8%A7%D8%B2%D9%88%D9%84" title="بنزإيزوكسازول – Arabic" lang="ar" hreflang="ar" data-title="بنزإيزوكسازول" data-language-autonym="العربية" data-language-local-name="Arabic" 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/%D8%A8%D9%86%D8%B2%DB%8C%D8%B3%D9%88%DA%A9%D8%B3%D8%A7%D8%B2%D9%88%D9%84" title="بنزیسوکسازول – South Azerbaijani" lang="azb" hreflang="azb" data-title="بنزیسوکسازول" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/1,2-Benzoxazol" title="1,2-Benzoxazol – German" lang="de" hreflang="de" data-title="1,2-Benzoxazol" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Benzisoxazola" title="Benzisoxazola – Spanish" lang="es" hreflang="es" data-title="Benzisoxazola" data-language-autonym="Español" data-language-local-name="Spanish" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%A8%D9%86%D8%B2%DB%8C%D8%B3%D9%88%DA%A9%D8%B3%D8%A7%D8%B2%D9%88%D9%84" title="بنزیسوکسازول – Persian" lang="fa" hreflang="fa" data-title="بنزیسوکسازول" data-language-autonym="فارسی" data-language-local-name="Persian" class="interlanguage-link-target"><span>فارسی</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Benzisoxazole" title="Benzisoxazole – French" lang="fr" hreflang="fr" data-title="Benzisoxazole" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EB%B2%A4%EC%A6%88%EC%95%84%EC%9D%B4%EC%86%8C%EC%98%A5%EC%82%AC%EC%A1%B8" title="벤즈아이소옥사졸 – Korean" lang="ko" hreflang="ko" data-title="벤즈아이소옥사졸" data-language-autonym="한국어" data-language-local-name="Korean" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%AC%E0%A5%87%E0%A4%A8%E0%A5%8D%E0%A4%9C%E0%A4%BF%E0%A4%B8%E0%A5%8B%E0%A4%91%E0%A4%95%E0%A5%8D%E0%A4%B8%E0%A4%BE%E0%A4%9C%E0%A5%8B%E0%A4%B2" title="बेन्जिसोऑक्साजोल – Hindi" lang="hi" hreflang="hi" data-title="बेन्जिसोऑक्साजोल" data-language-autonym="हिन्दी" data-language-local-name="Hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Benzisossazolo" title="Benzisossazolo – Italian" lang="it" hreflang="it" data-title="Benzisossazolo" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Benzisoxazool" title="Benzisoxazool – Dutch" lang="nl" hreflang="nl" data-title="Benzisoxazool" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Benzisoxazol" title="Benzisoxazol – Portuguese" lang="pt" hreflang="pt" data-title="Benzisoxazol" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Benzizoxazol" title="Benzizoxazol – Romanian" lang="ro" hreflang="ro" data-title="Benzizoxazol" data-language-autonym="Română" data-language-local-name="Romanian" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Benzizoksazol" title="Benzizoksazol – Serbian" lang="sr" hreflang="sr" data-title="Benzizoksazol" data-language-autonym="Српски / srpski" data-language-local-name="Serbian" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Benzizoksazol" title="Benzizoksazol – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Benzizoksazol" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%91%D0%B5%D0%BD%D0%B7%D1%96%D0%B7%D0%BE%D0%BA%D1%81%D0%B0%D0%B7%D0%BE%D0%BB" title="Бензізоксазол – Ukrainian" lang="uk" hreflang="uk" data-title="Бензізоксазол" data-language-autonym="Українська" data-language-local-name="Ukrainian" class="interlanguage-link-target"><span>Українська</span></a></li><li class="interlanguage-link interwiki-zh mw-list-item"><a href="https://zh.wikipedia.org/wiki/1,2-%E8%8B%AF%E5%B9%B6%E5%BC%82%F0%AB%AB%87%E5%94%91" title="1,2-苯并异𫫇唑 – Chinese" lang="zh" hreflang="zh" data-title="1,2-苯并异𫫇唑" data-language-autonym="中文" data-language-local-name="Chinese" 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/Q791818#sitelinks-wikipedia" title="Edit interlanguage links" class="wbc-editpage">Edit links</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="Namespaces"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul 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<div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Appearance"> <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">Appearance</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" 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href="/wiki/2,1-Benzisoxazole" class="mw-redirect" title="2,1-Benzisoxazole">2,1-Benzisoxazole</a>.</div> <style data-mw-deduplicate="TemplateStyles:r1084375498">.mw-parser-output .ib-chembox{border-collapse:collapse;text-align:left}.mw-parser-output .ib-chembox td,.mw-parser-output .ib-chembox th{border:1px solid #a2a9b1;width:40%}.mw-parser-output .ib-chembox td+td{width:60%}</style> <table class="infobox ib-chembox"> <caption>Benzisoxazole </caption> <tbody><tr> <td colspan="2" style="text-align:center; padding:2px;"><span typeof="mw:File"><a href="/wiki/File:1,2-benzisoxazole_numbering.svg" class="mw-file-description"><img alt="Skeletal formula with numbering convention" src="//upload.wikimedia.org/wikipedia/commons/thumb/7/7a/1%2C2-benzisoxazole_numbering.svg/160px-1%2C2-benzisoxazole_numbering.svg.png" decoding="async" width="160" height="116" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/7a/1%2C2-benzisoxazole_numbering.svg/240px-1%2C2-benzisoxazole_numbering.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/7a/1%2C2-benzisoxazole_numbering.svg/320px-1%2C2-benzisoxazole_numbering.svg.png 2x" data-file-width="730" data-file-height="531" /></a></span> </td></tr> <tr> <td colspan="2" class="borderless" style="text-align:center"> <table border="0" style="width:100%;display:inline-table;"> <tbody><tr> <td style="border-right:1px solid #aaa; width:50%;"><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:Benzisoxazole_3D_ball_inverted.png" class="mw-file-description"><img alt="Ball-and-stick molecular model" src="//upload.wikimedia.org/wikipedia/commons/thumb/8/8f/Benzisoxazole_3D_ball_inverted.png/110px-Benzisoxazole_3D_ball_inverted.png" decoding="async" width="110" height="102" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/8/8f/Benzisoxazole_3D_ball_inverted.png/165px-Benzisoxazole_3D_ball_inverted.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/8/8f/Benzisoxazole_3D_ball_inverted.png/220px-Benzisoxazole_3D_ball_inverted.png 2x" data-file-width="2000" data-file-height="1856" /></a><figcaption></figcaption></figure> </td> <td style="width:50%;"><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:Benzisoxazole_3D_spacefill_inverted.png" class="mw-file-description"><img alt="Space-filling molecular model" src="//upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Benzisoxazole_3D_spacefill_inverted.png/110px-Benzisoxazole_3D_spacefill_inverted.png" decoding="async" width="110" height="101" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Benzisoxazole_3D_spacefill_inverted.png/165px-Benzisoxazole_3D_spacefill_inverted.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/4/4e/Benzisoxazole_3D_spacefill_inverted.png/220px-Benzisoxazole_3D_spacefill_inverted.png 2x" data-file-width="2000" data-file-height="1841" /></a><figcaption></figcaption></figure> </td></tr></tbody></table> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Names </th></tr> <tr> <td colspan="2" style="text-align:left;"><a href="/wiki/Preferred_IUPAC_name" title="Preferred IUPAC name">Preferred IUPAC name</a> <div style="max-width:22em; word-wrap:break-word; padding-left:1.7em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0; max-width:22em;">1,2-Benzoxazole</div></div> </td></tr> <tr> <td colspan="2" style="text-align:left;">Other names <div style="max-width:22em; word-wrap:break-word; padding-left:1.7em;">Benzo[<i>d</i>]isoxazole; Indoxazine</div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Identifiers </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/CAS_Registry_Number" title="CAS Registry Number">CAS Number</a></div> </td> <td><style data-mw-deduplicate="TemplateStyles:r1126788409">.mw-parser-output .plainlist ol,.mw-parser-output .plainlist ul{line-height:inherit;list-style:none;margin:0;padding:0}.mw-parser-output .plainlist ol li,.mw-parser-output .plainlist ul li{margin-bottom:0}</style><div class="plainlist"><ul><li><span title="commonchemistry.cas.org"><a rel="nofollow" class="external text" href="https://commonchemistry.cas.org/detail?cas_rn=271-95-4">271-95-4</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">3D model (<a href="/wiki/JSmol" class="mw-redirect" title="JSmol">JSmol</a>)</div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="chemapps.stolaf.edu (3D interactive model)"><a rel="nofollow" class="external text" href="https://chemapps.stolaf.edu/jmol/jmol.php?model=n2oc1ccccc1c2">Interactive image</a></span></li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Beilstein_database" title="Beilstein database">Beilstein Reference</a></div> </td> <td>2154 </td></tr> <tr> <td><a href="/wiki/ChEBI" title="ChEBI">ChEBI</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.ebi.ac.uk"><a rel="nofollow" class="external text" href="https://www.ebi.ac.uk/chebi/searchId.do?chebiId=51554">CHEBI:51554</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ChEMBL" title="ChEMBL">ChEMBL</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.ebi.ac.uk"><a rel="nofollow" class="external text" href="https://www.ebi.ac.uk/chembl/explore/compound/ChEMBL314871">ChEMBL314871</a></span><sup> <span typeof="mw:File"><span><img alt="☒" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/7px-X_mark.svg.png" decoding="async" width="7" height="8" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/11px-X_mark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/14px-X_mark.svg.png 2x" data-file-width="525" data-file-height="600" /></span></span><span style="display:none">N</span></sup></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ChemSpider" title="ChemSpider">ChemSpider</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="www.chemspider.com"><a rel="nofollow" class="external text" href="https://www.chemspider.com/Chemical-Structure.64227.html">64227</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><a href="/wiki/ECHA_InfoCard" class="mw-redirect" title="ECHA InfoCard"><span title="echa.europa.eu">ECHA InfoCard</span></a> </td> <td><a rel="nofollow" class="external text" href="https://echa.europa.eu/substance-information/-/substanceinfo/100.005.440">100.005.440</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q791818#P2566" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span> </td></tr> <tr> <td><a href="/wiki/European_Community_number" title="European Community number"><span title="European Community number (chemical identifier)">EC Number</span></a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li>205-983-1</li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/PubChem" title="PubChem">PubChem</a> <abbr title="Compound ID">CID</abbr></div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="pubchem.ncbi.nlm.nih.gov"><a rel="nofollow" class="external text" href="https://pubchem.ncbi.nlm.nih.gov/compound/71073">71073</a></span></li></ul></div> </td></tr> <tr> <td><a href="/wiki/Unique_Ingredient_Identifier" title="Unique Ingredient Identifier">UNII</a> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="precision.fda.gov"><a rel="nofollow" class="external text" href="https://precision.fda.gov/uniisearch/srs/unii/D879RKM5NQ">D879RKM5NQ</a></span><sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></li></ul></div> </td></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/CompTox_Chemicals_Dashboard" title="CompTox Chemicals Dashboard">CompTox Dashboard</a> <span style="font-weight:normal">(<abbr title="U.S. Environmental Protection Agency">EPA</abbr>)</span></div> </td> <td><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1126788409"><div class="plainlist"><ul><li><span title="comptox.epa.gov"><a rel="nofollow" class="external text" href="https://comptox.epa.gov/dashboard/chemical/details/DTXSID20181567">DTXSID20181567</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q791818#P3117" title="Edit this at Wikidata"><img alt="Edit this at Wikidata" src="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/10px-OOjs_UI_icon_edit-ltr-progressive.svg.png" decoding="async" width="10" height="10" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/15px-OOjs_UI_icon_edit-ltr-progressive.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/8/8a/OOjs_UI_icon_edit-ltr-progressive.svg/20px-OOjs_UI_icon_edit-ltr-progressive.svg.png 2x" data-file-width="20" data-file-height="20" /></a></span></span></li></ul></div> </td></tr> <tr> <td colspan="2"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold; text-align:left; font-weight:normal; background:transparent;"><div><a href="/wiki/International_Chemical_Identifier" title="International Chemical Identifier">InChI</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all;"><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.5em; text-align:left;"><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">InChI=1S/C7H5NO/c1-2-4-7-6(3-1)5-8-9-7/h1-5H<sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></div><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key: KTZQTRPPVKQPFO-UHFFFAOYSA-N<sup> <span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span></sup></div></div></li><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.5em; text-align:left;"><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">InChI=1/C7H5NO/c1-2-4-7-6(3-1)5-8-9-7/h1-5H</div><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key: KTZQTRPPVKQPFO-UHFFFAOYAI</div></div></li></ul> </div> </td></tr> <tr> <td colspan="2"><div class="collapsible-list mw-collapsible mw-collapsed" style="text-align: left;"> <div style="line-height: 1.6em; font-weight: bold; text-align:left; font-weight:normal; background:transparent;"><div><a href="/wiki/Simplified_molecular-input_line-entry_system" class="mw-redirect" title="Simplified molecular-input line-entry system">SMILES</a></div></div> <ul class="mw-collapsible-content" style="margin-top: 0; margin-bottom: 0; line-height: inherit; list-style: none; margin-left: 0; word-break:break-all;"><li style="line-height: inherit; margin: 0"><div style="border-top:1px solid #ccc; padding:0.2em 0 0.2em 1.6em; word-wrap:break-word; text-indent:-1.5em; text-align:left; font-size:97%; line-height:120%;">n2oc1ccccc1c2</div></li></ul> </div> </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Properties </th></tr> <tr> <td><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Chemical_formula" title="Chemical formula">Chemical formula</a></div> </td> <td><span title="Carbon">C</span><sub>7</sub><span title="Hydrogen">H</span><sub>5</sub><span title="Nitrogen">N</span><span title="Oxygen">O</span> </td></tr> <tr> <td><a href="/wiki/Molar_mass" title="Molar mass">Molar mass</a> </td> <td><span class="nowrap"><span data-sort-value="7002119123000000000♠"></span>119.123</span> g·mol<sup>−1</sup>   </td></tr> <tr> <td>Appearance </td> <td>Colorless liquid </td></tr> <tr> <td><a href="/wiki/Density" title="Density">Density</a> </td> <td>1.18 g/cm<sup>3</sup> </td></tr> <tr> <td><a href="/wiki/Boiling_point" title="Boiling point">Boiling point</a> </td> <td>35 to 38 °C (95 to 100 °F; 308 to 311 K) (at 2.67 hPa)<br />101-102 °C (at 2 kPa) </td></tr> <tr> <th colspan="2" style="background: #f8eaba; text-align: center;">Hazards </th></tr> <tr> <td colspan="2" style="text-align:left; background-color:#eaeaea;"><a href="/wiki/Globally_Harmonized_System_of_Classification_and_Labelling_of_Chemicals" title="Globally Harmonized System of Classification and Labelling of Chemicals"><b>GHS</b> labelling</a>: </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/GHS_hazard_pictograms" title="GHS hazard pictograms">Pictograms</a></div> </td> <td><span typeof="mw:File"><a href="/wiki/File:GHS-pictogram-exclam.svg" class="mw-file-description" title="GHS07: Exclamation mark"><img alt="GHS07: Exclamation mark" src="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/GHS-pictogram-exclam.svg/50px-GHS-pictogram-exclam.svg.png" decoding="async" width="50" height="50" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/c/c3/GHS-pictogram-exclam.svg/75px-GHS-pictogram-exclam.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/c/c3/GHS-pictogram-exclam.svg/100px-GHS-pictogram-exclam.svg.png 2x" data-file-width="512" data-file-height="512" /></a></span> </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/Globally_Harmonized_System_of_Classification_and_Labelling_of_Chemicals#Signal_word" title="Globally Harmonized System of Classification and Labelling of Chemicals">Signal word</a></div> </td> <td><b>Warning</b> </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/GHS_hazard_statements" title="GHS hazard statements">Hazard statements</a></div> </td> <td><abbr class="abbr" title="H315: Causes skin irritation">H315</abbr>, <abbr class="abbr" title="H319: Causes serious eye irritation">H319</abbr>, <abbr class="abbr" title="H335: May cause respiratory irritation">H335</abbr> </td></tr> <tr> <td style="padding-left:1em;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;"><a href="/wiki/GHS_precautionary_statements" title="GHS precautionary statements">Precautionary statements</a></div> </td> <td><abbr class="abbr" title="P261: Avoid breathing dust/fume/gas/mist/vapours/spray.">P261</abbr>, <abbr class="abbr" title="P264: Wash ... thoroughly after handling.">P264</abbr>, <abbr class="abbr" title="P271: Use only outdoors or in a well-ventilated area.">P271</abbr>, <abbr class="abbr" title="P280: Wear protective gloves/protective clothing/eye protection/face protection.">P280</abbr>, <abbr class="abbr" title="P302+P352: IF ON SKIN: Wash with soap and water.">P302+P352</abbr>, <abbr class="abbr" title="P304+P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.">P304+P340</abbr>, <abbr class="abbr" title="P305+P351+P338: IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing.">P305+P351+P338</abbr>, <abbr class="abbr" title="P312: Call a POISON CENTER or doctor/physician if you feel unwell.">P312</abbr>, <abbr class="abbr" title="P321: Specific treatment (see ... on this label).">P321</abbr>, <abbr class="abbr" title="P332+P313: If skin irritation occurs: Get medical advice/attention.">P332+P313</abbr>, <abbr class="abbr" title="P337+P313: If eye irritation persists: Get medical advice/attention.">P337+P313</abbr>, <abbr class="abbr" title="P362: Take off contaminated clothing.">P362</abbr>, <abbr class="abbr" title="P403+P233: Store in a well ventilated place. Keep container tightly closed.">P403+P233</abbr>, <abbr class="abbr" title="P405: Store locked up.">P405</abbr>, <abbr class="abbr" title="P501: Dispose of contents/container to ...">P501</abbr> </td></tr> <tr> <td><a href="/wiki/Flash_point" title="Flash point">Flash point</a> </td> <td>58 °C (136 °F; 331 K) </td></tr> <tr> <td colspan="2" style="text-align:left; background:#f8eaba; border:1px solid #a2a9b1;"><div style="display: inline-block; line-height: 1.2em; padding: .1em 0;">Except where otherwise noted, data are given for materials in their <a href="/wiki/Standard_state" title="Standard state">standard state</a> (at 25 °C [77 °F], 100 kPa).</div> <div style="margin-top: 0.3em;"><div style="text-align:center;"><span typeof="mw:File"><span><img alt="☒" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/12px-X_mark.svg.png" decoding="async" width="12" height="14" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/18px-X_mark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/24px-X_mark.svg.png 2x" data-file-width="525" data-file-height="600" /></span></span><span style="display:none">N</span> <span class="reflink plainlinks nourlexpansion"><a class="external text" href="https://en.wikipedia.org/w/index.php?title=Special:ComparePages&rev1=459952251&page2=Benzisoxazole">verify</a></span> (<a href="/wiki/Wikipedia:WikiProject_Chemicals/Chembox_validation" title="Wikipedia:WikiProject Chemicals/Chembox validation">what is</a> <sup><span typeof="mw:File"><span><img alt="check" src="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/7px-Yes_check.svg.png" decoding="async" width="7" height="7" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/11px-Yes_check.svg.png 1.5x, //upload.wikimedia.org/wikipedia/en/thumb/f/fb/Yes_check.svg/14px-Yes_check.svg.png 2x" data-file-width="600" data-file-height="600" /></span></span><span style="display:none">Y</span><span typeof="mw:File"><span><img alt="☒" src="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/7px-X_mark.svg.png" decoding="async" width="7" height="8" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/11px-X_mark.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/a/a2/X_mark.svg/14px-X_mark.svg.png 2x" data-file-width="525" data-file-height="600" /></span></span><span style="display:none">N</span></sup> ?) </div></div> <div style="margin-top: 0.3em; text-align: center;"><a href="/wiki/Wikipedia:Chemical_infobox#References" title="Wikipedia:Chemical infobox">Infobox references</a></div> </td></tr> </tbody></table><div class="shortdescription nomobile noexcerpt noprint searchaux" style="display:none">Chemical compound</div> <p><b>1,2-Benzisoxazole</b> is an <a href="/wiki/Aromatic" class="mw-redirect" title="Aromatic">aromatic</a> <a href="/wiki/Organic_compound" title="Organic compound">organic compound</a> with a molecular formula C<sub>7</sub>H<sub>5</sub>NO containing a <a href="/wiki/Benzene" title="Benzene">benzene</a>-fused <a href="/wiki/Isoxazole" title="Isoxazole">isoxazole</a> ring structure.<sup id="cite_ref-Katritzky2nd_1-0" class="reference"><a href="#cite_note-Katritzky2nd-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-Clayden1st_2-0" class="reference"><a href="#cite_note-Clayden1st-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> The compound itself has no common applications; however, functionalized <b>benzisoxazoles</b> and <b>benzisoxazoyls</b> have a variety of uses, including pharmaceutical drugs such as some antipsychotics (including <a href="/wiki/Risperidone" title="Risperidone">risperidone</a>, <a href="/wiki/Paliperidone" title="Paliperidone">paliperidone</a>, <a href="/wiki/Ocaperidone" title="Ocaperidone">ocaperidone</a>, and <a href="/wiki/Iloperidone" title="Iloperidone">iloperidone</a>) and the anticonvulsant <a href="/wiki/Zonisamide" title="Zonisamide">zonisamide</a>. </p><p>Its <a href="/wiki/Aromaticity" title="Aromaticity">aromaticity</a> makes it relatively stable;<sup id="cite_ref-DomeneJenneskens2005_3-0" class="reference"><a href="#cite_note-DomeneJenneskens2005-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> however, it is only weakly basic. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Synthesis">Synthesis</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Benzisoxazole&action=edit&section=1" title="Edit section: Synthesis"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Benzisoxazole may be prepared from inexpensive <a href="/wiki/Salicylaldehyde" title="Salicylaldehyde">salicylaldehyde</a>, via a base catalyzed room temperature reaction with <a href="/wiki/Hydroxylamine-O-sulfonic_acid" title="Hydroxylamine-O-sulfonic acid">hydroxylamine-<i>O</i>-sulfonic acid</a>.<sup id="cite_ref-KempWoodward1965_4-0" class="reference"><a href="#cite_note-KempWoodward1965-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> </p> <dl><dd><figure class="mw-halign-center" typeof="mw:File"><a href="/wiki/File:1,2-Benzisoxazol.svg" class="mw-file-description" title="Synthesis of 1,2-Benzisoxazol aus Salicylaldehyd und HOSA"><img alt="Synthesis of 1,2-Benzisoxazol aus Salicylaldehyd und HOSA" src="//upload.wikimedia.org/wikipedia/commons/thumb/0/0a/1%2C2-Benzisoxazol.svg/300px-1%2C2-Benzisoxazol.svg.png" decoding="async" width="300" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/0/0a/1%2C2-Benzisoxazol.svg/450px-1%2C2-Benzisoxazol.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/0/0a/1%2C2-Benzisoxazol.svg/600px-1%2C2-Benzisoxazol.svg.png 2x" data-file-width="317" data-file-height="85" /></a><figcaption>Synthesis of 1,2-Benzisoxazol aus Salicylaldehyd und HOSA</figcaption></figure></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Reactions">Reactions</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Benzisoxazole&action=edit&section=2" title="Edit section: Reactions"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <div class="mw-heading mw-heading3"><h3 id="Kemp_elimination">Kemp elimination</h3><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Benzisoxazole&action=edit&section=3" title="Edit section: Kemp elimination"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>First reported by <a href="/wiki/Daniel_S._Kemp" title="Daniel S. Kemp">Daniel S. Kemp</a>,<sup id="cite_ref-5" class="reference"><a href="#cite_note-5"><span class="cite-bracket">[</span>5<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-6" class="reference"><a href="#cite_note-6"><span class="cite-bracket">[</span>6<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-7" class="reference"><a href="#cite_note-7"><span class="cite-bracket">[</span>7<span class="cite-bracket">]</span></a></sup> the relatively weak N-O bond can be cleaved by a strong base to yield a 2-hydroxybenzonitrile species. </p><p><span typeof="mw:File"><a href="/wiki/File:Kemp-Eliminierung_Reaktionsmechanismus_V3.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/2/23/Kemp-Eliminierung_Reaktionsmechanismus_V3.svg/500px-Kemp-Eliminierung_Reaktionsmechanismus_V3.svg.png" decoding="async" width="500" height="80" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/2/23/Kemp-Eliminierung_Reaktionsmechanismus_V3.svg/750px-Kemp-Eliminierung_Reaktionsmechanismus_V3.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/2/23/Kemp-Eliminierung_Reaktionsmechanismus_V3.svg/1000px-Kemp-Eliminierung_Reaktionsmechanismus_V3.svg.png 2x" data-file-width="1345" data-file-height="214" /></a></span> </p> <div class="mw-heading mw-heading2"><h2 id="See_also">See also</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Benzisoxazole&action=edit&section=4" title="Edit section: See also"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <dl><dt>Structural isomers</dt></dl> <ul><li><a href="/wiki/Benzoxazole" title="Benzoxazole">Benzoxazole</a></li> <li><a href="/wiki/Anthranil" title="Anthranil">Anthranil</a></li></ul> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Benzisoxazole&action=edit&section=5" title="Edit section: References"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r1239543626">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-Katritzky2nd-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-Katritzky2nd_1-0">^</a></b></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r1238218222">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFKatritzkyPozharskii2000" class="citation book cs1">Katritzky, A. R.; Pozharskii, A. F. (2000). <i>Handbook of Heterocyclic Chemistry</i> (2nd ed.). Academic Press. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0080429882" title="Special:BookSources/0080429882"><bdi>0080429882</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Handbook+of+Heterocyclic+Chemistry&rft.edition=2nd&rft.pub=Academic+Press&rft.date=2000&rft.isbn=0080429882&rft.aulast=Katritzky&rft.aufirst=A.+R.&rft.au=Pozharskii%2C+A.+F.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABenzisoxazole" class="Z3988"></span></span> </li> <li id="cite_note-Clayden1st-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-Clayden1st_2-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFClaydenGreevesWarrenWothers2001" class="citation book cs1">Clayden, J.; Greeves, N.; Warren, S.; Wothers, P. (2001). <span class="id-lock-registration" title="Free registration required"><a rel="nofollow" class="external text" href="https://archive.org/details/organicchemistry00clay_0"><i>Organic Chemistry</i></a></span>. Oxford, Oxfordshire: Oxford University Press. <a href="/wiki/ISBN_(identifier)" class="mw-redirect" title="ISBN (identifier)">ISBN</a> <a href="/wiki/Special:BookSources/0-19-850346-6" title="Special:BookSources/0-19-850346-6"><bdi>0-19-850346-6</bdi></a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.genre=book&rft.btitle=Organic+Chemistry&rft.place=Oxford%2C+Oxfordshire&rft.pub=Oxford+University+Press&rft.date=2001&rft.isbn=0-19-850346-6&rft.aulast=Clayden&rft.aufirst=J.&rft.au=Greeves%2C+N.&rft.au=Warren%2C+S.&rft.au=Wothers%2C+P.&rft_id=https%3A%2F%2Farchive.org%2Fdetails%2Forganicchemistry00clay_0&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABenzisoxazole" class="Z3988"></span></span> </li> <li id="cite_note-DomeneJenneskens2005-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-DomeneJenneskens2005_3-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFDomeneJenneskensFowler2005" class="citation journal cs1">Domene, Carmen; Jenneskens, Leonardus W.; Fowler, Patrick W. (2005). "Aromaticity of anthranil and its isomers, 1,2-benzisoxazole and benzoxazole". <i>Tetrahedron Letters</i>. <b>46</b> (23): 4077–4080. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2Fj.tetlet.2005.04.014">10.1016/j.tetlet.2005.04.014</a>. <a href="/wiki/Hdl_(identifier)" class="mw-redirect" title="Hdl (identifier)">hdl</a>:<span class="id-lock-free" title="Freely accessible"><a rel="nofollow" class="external text" href="https://hdl.handle.net/1874%2F14837">1874/14837</a></span>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0040-4039">0040-4039</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Tetrahedron+Letters&rft.atitle=Aromaticity+of+anthranil+and+its+isomers%2C+1%2C2-benzisoxazole+and+benzoxazole&rft.volume=46&rft.issue=23&rft.pages=4077-4080&rft.date=2005&rft_id=info%3Ahdl%2F1874%2F14837&rft.issn=0040-4039&rft_id=info%3Adoi%2F10.1016%2Fj.tetlet.2005.04.014&rft.aulast=Domene&rft.aufirst=Carmen&rft.au=Jenneskens%2C+Leonardus+W.&rft.au=Fowler%2C+Patrick+W.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABenzisoxazole" class="Z3988"></span></span> </li> <li id="cite_note-KempWoodward1965-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-KempWoodward1965_4-0">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKempWoodward1965" class="citation journal cs1">Kemp, D.S.; Woodward, R.B. (1965). "The N-ethylbenzisoxazolium cation—I". <i>Tetrahedron</i>. <b>21</b> (11): 3019–3035. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1016%2FS0040-4020%2801%2996921-2">10.1016/S0040-4020(01)96921-2</a>. <a href="/wiki/ISSN_(identifier)" class="mw-redirect" title="ISSN (identifier)">ISSN</a> <a rel="nofollow" class="external text" href="https://search.worldcat.org/issn/0040-4020">0040-4020</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Tetrahedron&rft.atitle=The+N-ethylbenzisoxazolium+cation%E2%80%94I&rft.volume=21&rft.issue=11&rft.pages=3019-3035&rft.date=1965&rft_id=info%3Adoi%2F10.1016%2FS0040-4020%2801%2996921-2&rft.issn=0040-4020&rft.aulast=Kemp&rft.aufirst=D.S.&rft.au=Woodward%2C+R.B.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABenzisoxazole" class="Z3988"></span></span> </li> <li id="cite_note-5"><span class="mw-cite-backlink"><b><a href="#cite_ref-5">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFCaseyKempPaulCox1973" class="citation journal cs1">Casey, Martha L.; Kemp, D. S.; Paul, Kenneth G.; Cox, Daniel D. (June 1973). "Physical organic chemistry of benzisoxazoles. I. Mechanism of the base-catalyzed decomposition of benzisoxazoles". <i>The Journal of Organic Chemistry</i>. <b>38</b> (13): 2294–2301. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1021%2Fjo00953a006">10.1021/jo00953a006</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=The+Journal+of+Organic+Chemistry&rft.atitle=Physical+organic+chemistry+of+benzisoxazoles.+I.+Mechanism+of+the+base-catalyzed+decomposition+of+benzisoxazoles&rft.volume=38&rft.issue=13&rft.pages=2294-2301&rft.date=1973-06&rft_id=info%3Adoi%2F10.1021%2Fjo00953a006&rft.aulast=Casey&rft.aufirst=Martha+L.&rft.au=Kemp%2C+D.+S.&rft.au=Paul%2C+Kenneth+G.&rft.au=Cox%2C+Daniel+D.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABenzisoxazole" class="Z3988"></span></span> </li> <li id="cite_note-6"><span class="mw-cite-backlink"><b><a href="#cite_ref-6">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKempCoxPaul1975" class="citation journal cs1">Kemp, D. S.; Cox, Daniel D.; Paul, Kenneth G. (December 1975). "Physical organic chemistry of benzisoxazoles. IV. Origins and catalytic nature of the solvent rate acceleration for the decarboxylation of 3-carboxybenzisoxazoles". <i>Journal of the American Chemical Society</i>. <b>97</b> (25): 7312–7318. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1021%2Fja00858a018">10.1021/ja00858a018</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+the+American+Chemical+Society&rft.atitle=Physical+organic+chemistry+of+benzisoxazoles.+IV.+Origins+and+catalytic+nature+of+the+solvent+rate+acceleration+for+the+decarboxylation+of+3-carboxybenzisoxazoles&rft.volume=97&rft.issue=25&rft.pages=7312-7318&rft.date=1975-12&rft_id=info%3Adoi%2F10.1021%2Fja00858a018&rft.aulast=Kemp&rft.aufirst=D.+S.&rft.au=Cox%2C+Daniel+D.&rft.au=Paul%2C+Kenneth+G.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABenzisoxazole" class="Z3988"></span></span> </li> <li id="cite_note-7"><span class="mw-cite-backlink"><b><a href="#cite_ref-7">^</a></b></span> <span class="reference-text"><link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><cite id="CITEREFKemp1970" class="citation journal cs1">Kemp, Daniel S. (April 1970). "Decarboxylation of benzisoxazole-3-carboxylic acids. Catalysis by extraction of possible relevance to the problem of enzymic mechanism". <i>Journal of the American Chemical Society</i>. <b>92</b> (8): 2553–2554. <a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1021%2Fja00711a061">10.1021/ja00711a061</a>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=article&rft.jtitle=Journal+of+the+American+Chemical+Society&rft.atitle=Decarboxylation+of+benzisoxazole-3-carboxylic+acids.+Catalysis+by+extraction+of+possible+relevance+to+the+problem+of+enzymic+mechanism&rft.volume=92&rft.issue=8&rft.pages=2553-2554&rft.date=1970-04&rft_id=info%3Adoi%2F10.1021%2Fja00711a061&rft.aulast=Kemp&rft.aufirst=Daniel+S.&rfr_id=info%3Asid%2Fen.wikipedia.org%3ABenzisoxazole" class="Z3988"></span></span> </li> </ol></div></div> <div class="navbox-styles"><style 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rings</a></div></th></tr><tr><th scope="row" class="navbox-group" style="width:1%">1 ring</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"></div><table class="nowraplinks navbox-subgroup" style="border-spacing:0"><tbody><tr><th scope="row" class="navbox-group" style="width:1%">Three-membered</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Borirene" class="mw-redirect" title="Borirene">Borirene</a></li> <li><a href="/wiki/Cyclopropenone" title="Cyclopropenone">Cyclopropenone</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Five-membered</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Furan" title="Furan">Furan</a></li> <li><a href="/wiki/Pyrrole" title="Pyrrole">Pyrrole</a></li> 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style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Diazapentalene" title="Diazapentalene">Diazapentalene</a></li> <li><a href="/wiki/Thienothiophene" title="Thienothiophene">Thienothiophene</a></li> <li><a href="/wiki/Trithiapentalene" title="Trithiapentalene">Trithiapentalene</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Five + Six</th><td class="navbox-list-with-group navbox-list navbox-even" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Benzofuran" title="Benzofuran">Benzofuran</a></li> <li><a href="/wiki/Isobenzofuran" title="Isobenzofuran">Isobenzofuran</a></li> <li><a href="/wiki/Indole" title="Indole">Indole</a></li> <li><a href="/wiki/Isoindole" title="Isoindole">Isoindole</a></li> <li><a href="/wiki/Benzothiophene" title="Benzothiophene">Benzothiophene</a></li> <li><a href="/wiki/Benzo(c)thiophene" title="Benzo(c)thiophene">Benzo(c)thiophene</a></li> <li><a href="/wiki/Benzophosphole" title="Benzophosphole">Benzophosphole</a></li> <li><a href="/wiki/Benzimidazole" title="Benzimidazole">Benzimidazole</a></li> <li><a href="/wiki/Purine" title="Purine">Purine</a></li> <li><a href="/wiki/Indazole" title="Indazole">Indazole</a></li> <li><a href="/wiki/Benzoxazole" title="Benzoxazole">Benzoxazole</a></li> <li><a class="mw-selflink selflink">Benzisoxazole</a></li> <li><a href="/wiki/Benzothiazole" title="Benzothiazole">Benzothiazole</a></li> <li><a href="/wiki/5-Aza-7-deazapurine" title="5-Aza-7-deazapurine">5-Aza-7-deazapurine</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="width:1%">Six + Six</th><td class="navbox-list-with-group navbox-list navbox-odd" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Naphthalene" title="Naphthalene">Naphthalene</a></li> <li><a href="/wiki/Quinoline" title="Quinoline">Quinoline</a></li> <li><a href="/wiki/Isoquinoline" 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