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mw-first-heading"><span class="mw-page-title-main">Sumanene</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="Go to an article in another language. Available in 9 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-9" 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">9 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D8%B3%D9%88%D9%85%D8%A7%D9%86%D9%86" title="سومانن – South Azerbaijani" lang="azb" hreflang="azb" data-title="سومانن" 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/Sumanen" title="Sumanen – German" lang="de" hreflang="de" data-title="Sumanen" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%B3%D9%88%D9%85%D8%A7%D9%86%D9%86" title="سومانن – Persian" lang="fa" hreflang="fa" data-title="سومانن" 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/Suman%C3%A8ne" title="Sumanène – French" lang="fr" hreflang="fr" data-title="Sumanène" data-language-autonym="Français" data-language-local-name="French" 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/Sumanene" title="Sumanene – Italian" lang="it" hreflang="it" data-title="Sumanene" 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/Sumaneen" title="Sumaneen – Dutch" lang="nl" hreflang="nl" data-title="Sumaneen" data-language-autonym="Nederlands" data-language-local-name="Dutch" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E3%82%B9%E3%83%9E%E3%83%8D%E3%83%B3" title="スマネン – Japanese" lang="ja" hreflang="ja" data-title="スマネン" data-language-autonym="日本語" data-language-local-name="Japanese" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Sumanen" title="Sumanen – Serbian" lang="sr" hreflang="sr" data-title="Sumanen" 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/Sumanen" title="Sumanen – Serbo-Croatian" lang="sh" hreflang="sh" data-title="Sumanen" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="Serbo-Croatian" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</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/Q2303663#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 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colspan="2" style="text-align:center; padding:2px;"><span typeof="mw:File"><a href="/wiki/File:Sumanene.svg" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Sumanene.svg/156px-Sumanene.svg.png" decoding="async" width="156" height="166" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Sumanene.svg/234px-Sumanene.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/d3/Sumanene.svg/312px-Sumanene.svg.png 2x" data-file-width="156" data-file-height="166" /></a></span> </td></tr> <tr> <td colspan="2" style="text-align:center; padding:2px;"><span typeof="mw:File"><a href="/wiki/File:Sumanene3D.png" class="mw-file-description"><img src="//upload.wikimedia.org/wikipedia/commons/thumb/7/77/Sumanene3D.png/180px-Sumanene3D.png" decoding="async" width="180" height="157" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/77/Sumanene3D.png/270px-Sumanene3D.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/77/Sumanene3D.png/360px-Sumanene3D.png 2x" data-file-width="1000" data-file-height="872" /></a></span> </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;">4,7-Dihydro-1<i>H</i>-tricyclopenta[<i>def</i>,<i>jkl</i>,<i>pqr</i>]triphenylene</div></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=151253-59-7">151253-59-7</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=C16%3DC5C4%3DC3C2%3DC1C7%3DCC%3DC2CC3%3DCC%3DC4CC5%3DCC%3DC6C7">Interactive image</a></span></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.9348199.html">9348199</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><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/11173107">11173107</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/TX2KR8MQM9">TX2KR8MQM9</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/DTXSID20894120">DTXSID20894120</a> <span class="mw-valign-text-top noprint" typeof="mw:File/Frameless"><a href="https://www.wikidata.org/wiki/Q2303663#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/C21H12/c1-2-11-8-13-5-6-15-9-14-4-3-12-7-10(1)16-17(11)19(13)21(15)20(14)18(12)16/h1-6H,7-9H2<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></div><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key: WOYKPMSXBVTRKZ-UHFFFAOYSA-N<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></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/C21H12/c1-2-11-8-13-5-6-15-9-14-4-3-12-7-10(1)16-17(11)19(13)21(15)20(14)18(12)16/h1-6H,7-9H2</div><div style="word-wrap:break-word; text-indent:-1.5em; font-size:97%; line-height:120%;">Key: WOYKPMSXBVTRKZ-UHFFFAOYAE</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%;">C16=C5C4=C3C2=C1C7=CC=C2CC3=CC=C4CC5=CC=C6C7</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>21</sub><span title="Hydrogen">H</span><sub>12</sub> </td></tr> <tr> <td><a href="/wiki/Molar_mass" title="Molar mass">Molar mass</a> </td> <td>264.32    </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=451403232&page2=Sumanene">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>Sumanene</b> is a <a href="/wiki/Polycyclic_aromatic_hydrocarbon" title="Polycyclic aromatic hydrocarbon">polycyclic aromatic hydrocarbon</a> and of scientific interest because the <a href="/wiki/Molecule" title="Molecule">molecule</a> can be considered a fragment of <a href="/wiki/Buckminsterfullerene" title="Buckminsterfullerene">buckminsterfullerene</a>. <i>Suman</i> means "<a href="/wiki/Sunflower" class="mw-redirect" title="Sunflower">sunflower</a>" in both <a href="/wiki/Hindi" title="Hindi">Hindi</a> and <a href="/wiki/Sanskrit" title="Sanskrit">Sanskrit</a>.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> The core of the <a href="/wiki/Arene" class="mw-redirect" title="Arene">arene</a> is a <a href="/wiki/Benzene" title="Benzene">benzene</a> ring and the <a href="https://en.wiktionary.org/wiki/periphery" class="extiw" title="wikt:periphery">periphery</a> consists of alternating benzene rings (3) and <a href="/wiki/Cyclopentadiene" title="Cyclopentadiene">cyclopentadiene</a> rings (3). Unlike <a href="/wiki/Fullerene" title="Fullerene">fullerene</a>, sumanene has <a href="/wiki/Benzyl" class="mw-redirect" title="Benzyl">benzyl</a> positions which are available for <a href="/wiki/Organic_reaction" title="Organic reaction">organic reactions</a>. </p> <meta property="mw:PageProp/toc" /> <div class="mw-heading mw-heading2"><h2 id="Organic_synthesis">Organic synthesis</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sumanene&action=edit&section=1" title="Edit section: Organic synthesis"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>The structure of Sumanene can be inferred from <a href="/wiki/Organic_oxidation" class="mw-redirect" title="Organic oxidation">oxidation</a> of 1,5,9-trimethyl<a href="/wiki/Triphenylene" title="Triphenylene">triphenylene</a> but the first practical synthesis starts from <a href="/wiki/Norbornadiene" title="Norbornadiene">norbornadiene</a>.<sup id="cite_ref-2" class="reference"><a href="#cite_note-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> Norbornadiene is converted into a <a href="/wiki/Stannane" title="Stannane">stannane</a> by action of <a href="/wiki/N-Butyllithium" title="N-Butyllithium"><i>n</i>-butyllithium</a>, <a href="/wiki/Dibromoethane" title="Dibromoethane">dibromoethane</a> and <a href="/w/index.php?title=Tributyltinchloride&action=edit&redlink=1" class="new" title="Tributyltinchloride (page does not exist)">tributyltinchloride</a>. An <a href="/wiki/Ullmann_reaction" title="Ullmann reaction">Ullmann reaction</a> of this stannane with <a href="/wiki/Copper(I)-thiophene-2-carboxylate" class="mw-redirect" title="Copper(I)-thiophene-2-carboxylate">CuTC</a> affords the benzene core. The <a href="/w/index.php?title=Methylene_bridges&action=edit&redlink=1" class="new" title="Methylene bridges (page does not exist)">methylene bridges</a> (-<span class="chemf nowrap">CH<span class="nowrap"><span style="display:inline-block;margin-bottom:-0.3em;vertical-align:-0.4em;line-height:1em;font-size:80%;text-align:left"><sup style="font-size:inherit;line-height:inherit;vertical-align:baseline"></sup><br /><sub style="font-size:inherit;line-height:inherit;vertical-align:baseline">2</sub></span></span></span>-) created in this conversion then migrate in a <a href="/wiki/Tandem_reaction" class="mw-redirect" title="Tandem reaction">tandem</a> <a href="/wiki/Ring-opening_metathesis" class="mw-redirect" title="Ring-opening metathesis">ring-opening metathesis</a> and <a href="/wiki/Ring-closing_metathesis" title="Ring-closing metathesis">ring-closing metathesis</a> by the <a href="/wiki/Grubbs%27_catalyst" class="mw-redirect" title="Grubbs' catalyst">Grubbs' catalyst</a>. The final structure is obtained by <a href="/wiki/Organic_oxidation" class="mw-redirect" title="Organic oxidation">oxidation</a> by <a href="/wiki/2,3-Dichloro-5,6-dicyano-1,4-benzoquinone" title="2,3-Dichloro-5,6-dicyano-1,4-benzoquinone">DDQ</a>. </p> <dl><dd><span class="mw-default-size" typeof="mw:File"><a href="/wiki/File:Sumanene_synthesis.gif" class="mw-file-description" title="Sumanene synthesis"><img alt="Sumanene synthesis" src="//upload.wikimedia.org/wikipedia/commons/e/e9/Sumanene_synthesis.gif" decoding="async" width="606" height="301" class="mw-file-element" data-file-width="606" data-file-height="301" /></a></span></dd></dl> <div class="mw-heading mw-heading2"><h2 id="Properties">Properties</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sumanene&action=edit&section=2" title="Edit section: Properties"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Sumanene is a <a href="/wiki/Bowl_(vessel)" class="mw-redirect" title="Bowl (vessel)">bowl</a>-shaped <a href="/wiki/Molecule" title="Molecule">molecule</a> with a bowl depth of 118 <a href="/wiki/Picometer" class="mw-redirect" title="Picometer">picometers</a>.<sup id="cite_ref-3" class="reference"><a href="#cite_note-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup> The 6 hub carbon atoms are <a href="/wiki/Trigonal_pyramid_(chemistry)" class="mw-redirect" title="Trigonal pyramid (chemistry)">pyramidalized</a> by 9° and the molecule displays considerable bond alternation (138.1 to 143.1 pm). Sumanene also experiences <b>bowl-to-bowl inversion</b> with an <a href="/wiki/Inversion_barrier" class="mw-redirect" title="Inversion barrier">inversion barrier</a> of 19.6 <a href="/wiki/Kilocalorie" class="mw-redirect" title="Kilocalorie">kcal</a>/<a href="/wiki/Mole_(unit)" title="Mole (unit)">mol</a> (82 <a href="/wiki/Kilojoule" class="mw-redirect" title="Kilojoule">kJ</a>/mol) at 140 °C which is much higher than that found for its <a href="/wiki/Corannulene" title="Corannulene">corannulene</a> cousin. Like any benzylic <a href="/wiki/Hydrogen_atom" title="Hydrogen atom">proton</a>, the sumanene protons can be abstracted by a strong <a href="/wiki/Base_(chemistry)" title="Base (chemistry)">base</a> such as <a href="/wiki/Organolithium_reagent" title="Organolithium reagent">t-butyl lithium</a> to form the sumanene mono <a href="/wiki/Carbanion" title="Carbanion">carbanion</a>. This strong <a href="/wiki/Nucleophile" title="Nucleophile">nucleophile</a> can react with an <a href="/wiki/Electrophile" title="Electrophile">electrophile</a> such as <a href="/wiki/Trimethylsilyl_chloride" title="Trimethylsilyl chloride">trimethylsilyl chloride</a> to the <a href="/wiki/Trimethylsilyl" class="mw-redirect" title="Trimethylsilyl">trimethylsilyl</a> derivative. </p><p>The trianion has also been reported.<sup id="cite_ref-4" class="reference"><a href="#cite_note-4"><span class="cite-bracket">[</span>4<span class="cite-bracket">]</span></a></sup> Electron transport properties have been investigated <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> as well as <a href="/wiki/Carbon_NMR" class="mw-redirect" title="Carbon NMR">carbon NMR</a><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> </p> <div class="mw-heading mw-heading2"><h2 id="Derivatives">Derivatives</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Sumanene&action=edit&section=3" title="Edit section: Derivatives"><span>edit</span></a><span class="mw-editsection-bracket">]</span></span></div> <p>Sumanene derivatives <sup id="cite_ref-8" class="reference"><a href="#cite_note-8"><span class="cite-bracket">[</span>8<span class="cite-bracket">]</span></a></sup> such as <i>naphtosumanene</i> <sup id="cite_ref-9" class="reference"><a href="#cite_note-9"><span class="cite-bracket">[</span>9<span class="cite-bracket">]</span></a></sup> and <i>trisialsumanene</i> <sup id="cite_ref-10" class="reference"><a href="#cite_note-10"><span class="cite-bracket">[</span>10<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-11" class="reference"><a href="#cite_note-11"><span class="cite-bracket">[</span>11<span class="cite-bracket">]</span></a></sup> have been described. Chiral sumanenes are of some interest with respect to <a href="/wiki/Inherent_chirality" title="Inherent chirality">inherent chirality</a>,<sup id="cite_ref-12" class="reference"><a href="#cite_note-12"><span class="cite-bracket">[</span>12<span class="cite-bracket">]</span></a></sup> examples are chiral <i>trimethylsumanene</i> <sup id="cite_ref-13" class="reference"><a href="#cite_note-13"><span class="cite-bracket">[</span>13<span class="cite-bracket">]</span></a></sup> and a chiral sumanene cyclopentadienyl iron complex <sup id="cite_ref-14" class="reference"><a href="#cite_note-14"><span class="cite-bracket">[</span>14<span class="cite-bracket">]</span></a></sup> </p> <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=Sumanene&action=edit&section=4" 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 mw-references-columns"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><b><a href="#cite_ref-1">^</a></b></span> <span class="reference-text"><i>Towards the design of tricyclopenta [def, jkl, pqr] triphenylene (sumanene): a bowl-shaped hydrocarbon featuring a structural motif present in C<sub>60</sub> (buckminsterfullerene)</i> <a href="/wiki/Goverdhan_Mehta" title="Goverdhan Mehta">Goverdhan Mehta</a>, Shailesh R. Shah and K. Ravikumar Journal of the Chemical Society, <a href="/wiki/Chemical_Communications" class="mw-redirect" title="Chemical Communications">Chemical Communications</a>, <b>1993</b>, (12), 1006 - 1008 <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><a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1039%2FC39930001006">10.1039/C39930001006</a></span> </li> <li id="cite_note-2"><span class="mw-cite-backlink"><b><a href="#cite_ref-2">^</a></b></span> <span class="reference-text"><i>A Synthesis of Sumanene, a Fullerene Fragment</i> Hidehiro Sakurai, Taro Daiko, and Toshikazu Hirao <a href="/wiki/Science_(journal)" title="Science (journal)">Science</a>, Vol 301, Issue 5641, 1878 , 26 September <b>2003</b> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1126%2Fscience.1088290">10.1126/science.1088290</a></span> </li> <li id="cite_note-3"><span class="mw-cite-backlink"><b><a href="#cite_ref-3">^</a></b></span> <span class="reference-text"><i>Structural Elucidation of Sumanene and Generation of Its Benzylic Anions </i> Hidehiro Sakurai, Taro Daiko, Hiroyuki Sakane, Toru Amaya, and Toshikazu Hirao <a href="/wiki/J._Am._Chem._Soc." class="mw-redirect" title="J. Am. Chem. Soc.">J. Am. Chem. Soc.</a>, 127 (33), 11580 -11581, <b>2005</b> <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><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%2Fja0518169">10.1021/ja0518169</a></span> </li> <li id="cite_note-4"><span class="mw-cite-backlink"><b><a href="#cite_ref-4">^</a></b></span> <span class="reference-text">Hidehiro Sakurai, Taro Daiko, Hiroyuki Sakane, Toru Amaya, and Toshikazu Hira; J. Am. Chem. Soc., 2005, 127 (33), pp 11580–11581 <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><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%2Fja0518169">10.1021/ja0518169</a></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"><i>Anisotropic Electron Transport Properties in Sumanene Crystal</i> Toru Amaya, Shu Seki, Toshiyuki Moriuchi, Kana Nakamoto, Takuto Nakata, Hiroyuki Sakane, Akinori Saeki, Seiichi Tagawa and Toshikazu Hirao J. Am. Chem. Soc., 2009, 131 (2), pp 408–409 <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><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%2Fja805997v">10.1021/ja805997v</a></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"><i>The electrochemical inspection of the redox activity of sumanene and its concave CpFe complex</i> Piero Zanello, Serena Fedi, Fabrizia Fabrizi de Biani, Gianluca Giorgi, Toru Amaya, Hiroyuki Sakane and Toshikazu Hirao Dalton Trans., 2009, 9192-9197 <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1039%2FB910711H">10.1039/B910711H</a></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"><i>Solid-state 13C NMR investigations of 4,7-dihydro-1H-tricyclopenta[def,jkl,pqr]triphenylene (sumanene) and indeno[1,2,3-cd]fluoranthene: Buckminsterfullerene moieties</i> Merrill D. Halling, Anita M. Orendt, Mark Strohmeier, Mark S. Solum, Vikki M. Tsefrikas, Toshikazu Hirao, Lawrence T. Scott, Ronald J. Pugmire and David M. Grant Phys. Chem. Chem. Phys., 2010, 12, 7934-7941 <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1039%2FC001903H">10.1039/C001903H</a></span> </li> <li id="cite_note-8"><span class="mw-cite-backlink"><b><a href="#cite_ref-8">^</a></b></span> <span class="reference-text"><i>Bowl-to-bowl inversion of sumanene derivatives</i> Toru Amaya, Hiroyuki Sakane, Toshiko Muneishi and Toshikazu Hirao Chem. Commun., 2008, 765-767 <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1039%2FB712839H">10.1039/B712839H</a></span> </li> <li id="cite_note-9"><span class="mw-cite-backlink"><b><a href="#cite_ref-9">^</a></b></span> <span class="reference-text"><i>Synthesis of Highly Strained π-Bowls from Sumanene</i> Toru Amaya, Takuto Nakata and Toshikazu Hirao, Japan J. Am. Chem. Soc., 2009, 131 (31), pp 10810–10811 <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><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%2Fja9031693">10.1021/ja9031693</a></span> </li> <li id="cite_note-10"><span class="mw-cite-backlink"><b><a href="#cite_ref-10">^</a></b></span> <span class="reference-text">Communication Development of a Sila-Friedel−Crafts Reaction and Its Application to the Synthesis of Dibenzosilole Derivatives Shunsuke Furukawa, Junji Kobayashi and Takayuki Kawashima J. Am. Chem. Soc., 2009, 131 (40), pp 14192–14193 <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><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%2Fja906566r">10.1021/ja906566r</a></span> </li> <li id="cite_note-11"><span class="mw-cite-backlink"><b><a href="#cite_ref-11">^</a></b></span> <span class="reference-text"><i>Synthesis, structures and optical properties of trisilasumanene and its related compounds</i> Tomoharu Tanikawa, Masaichi Saito, Jing Dong Guo and Shigeru Nagase Org. Biomol. Chem., 2011, 9, 1731-1735 <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1039%2FC0OB00987C">10.1039/C0OB00987C</a></span> </li> <li id="cite_note-12"><span class="mw-cite-backlink"><b><a href="#cite_ref-12">^</a></b></span> <span class="reference-text"><i>Inherently chiral concave molecules—from synthesis to applications</i> Agnieszka Szumna Chem. Soc. Rev., 2010, 39, 4274-4285 <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1039%2FB919527K">10.1039/B919527K</a></span> </li> <li id="cite_note-13"><span class="mw-cite-backlink"><b><a href="#cite_ref-13">^</a></b></span> <span class="reference-text"><i>Asymmetric Synthesis of a Chiral Buckybowl, Trimethylsumanene</i> Shuhei Higashibayashi and Hidehiro Sakurai J. Am. Chem. Soc., 2008, 130 (27), pp 8592–8593 <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><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%2Fja802822k">10.1021/ja802822k</a></span> </li> <li id="cite_note-14"><span class="mw-cite-backlink"><b><a href="#cite_ref-14">^</a></b></span> <span class="reference-text">Sakane, H., Amaya, T., Moriuchi, T. and Hirao, T. (2009), A Chiral Concave-Bound Cyclopentadienyl Iron Complex of Sumanene. Angewandte Chemie International Edition, 48: 1640–1643. <link rel="mw-deduplicated-inline-style" href="mw-data:TemplateStyles:r1238218222"><a href="/wiki/Doi_(identifier)" class="mw-redirect" title="Doi (identifier)">doi</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1002%2Fanie.200805567">10.1002/anie.200805567</a></span> </li> </ol></div></div> <div class="navbox-styles"><style data-mw-deduplicate="TemplateStyles:r1129693374">.mw-parser-output .hlist dl,.mw-parser-output .hlist ol,.mw-parser-output .hlist ul{margin:0;padding:0}.mw-parser-output .hlist dd,.mw-parser-output .hlist dt,.mw-parser-output .hlist li{margin:0;display:inline}.mw-parser-output .hlist.inline,.mw-parser-output .hlist.inline dl,.mw-parser-output .hlist.inline ol,.mw-parser-output .hlist.inline ul,.mw-parser-output .hlist dl dl,.mw-parser-output .hlist dl ol,.mw-parser-output .hlist dl ul,.mw-parser-output .hlist ol dl,.mw-parser-output .hlist ol ol,.mw-parser-output .hlist ol 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style="padding:0 0.25em"> <ul><li><a href="/wiki/Acenaphthene" title="Acenaphthene">Acenaphthene</a></li> <li><a href="/wiki/Acenaphthylene" title="Acenaphthylene">Acenaphthylene</a></li> <li><a href="/wiki/Anthracene" title="Anthracene">Anthracene</a></li> <li><a href="/wiki/Fluorene" title="Fluorene">Fluorene</a></li> <li><a href="/wiki/Phenalene" title="Phenalene">Phenalene</a></li> <li><a href="/wiki/Phenanthrene" title="Phenanthrene">Phenanthrene</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">4 rings</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Benz(a)anthracene" title="Benz(a)anthracene">Benz[<i>a</i>]anthracene</a></li> <li><a href="/wiki/Benzo(a)fluorene" title="Benzo(a)fluorene">Benzo[<i>a</i>]fluorene</a></li> <li><a href="/wiki/Benzo(c)fluorene" title="Benzo(c)fluorene">Benzo[<i>c</i>]fluorene</a></li> <li><a href="/wiki/Benzo(c)phenanthrene" title="Benzo(c)phenanthrene">Benzo[<i>c</i>]phenanthrene</a></li> <li><a href="/wiki/Chrysene" title="Chrysene">Chrysene</a></li> <li><a href="/wiki/Fluoranthene" title="Fluoranthene">Fluoranthene</a></li> <li><a href="/wiki/Pyrene" title="Pyrene">Pyrene</a></li> <li><a href="/wiki/Tetracene" title="Tetracene">Tetracene</a></li> <li><a href="/wiki/Triphenylene" title="Triphenylene">Triphenylene</a></li> <li><a href="/wiki/Tricyclobutabenzene" title="Tricyclobutabenzene">Tricyclobutabenzene</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">5 rings</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Benz(e)acephenanthrylene" title="Benz(e)acephenanthrylene">Benz[<i>e</i>]acephenanthrylene</a></li> <li><a href="/wiki/Benzopyrene" title="Benzopyrene">Benzopyrene</a> <ul><li><a href="/wiki/Benzo(a)pyrene" title="Benzo(a)pyrene">Benzo[<i>a</i>]pyrene</a></li> <li><a href="/wiki/Benzo(e)pyrene" title="Benzo(e)pyrene">Benzo[<i>e</i>]pyrene</a></li> <li><a href="/wiki/Olympicene" title="Olympicene">6<i>H</i>-Benzo[<i>cd</i>]pyrene(Olympicene)</a></li></ul></li> <li><a href="/wiki/Benzo(a)fluoranthene" title="Benzo(a)fluoranthene">Benzo[<i>a</i>]fluoranthene</a></li> <li><a href="/wiki/Benzo(b)fluoranthene" class="mw-redirect" title="Benzo(b)fluoranthene">Benzo[<i>b</i>]fluoranthene</a></li> <li><a href="/wiki/Benzo(j)fluoranthene" title="Benzo(j)fluoranthene">Benzo[<i>j</i>]fluoranthene</a></li> <li><a href="/wiki/Benzo(k)fluoranthene" title="Benzo(k)fluoranthene">Benzo[<i>k</i>]fluoranthene</a></li> <li><a href="/wiki/Bicalicene" title="Bicalicene">trans-Bicalicene</a></li> <li><a href="/wiki/Dibenz(a,h)anthracene" title="Dibenz(a,h)anthracene">Dibenz[<i>a</i>,<i>h</i>]anthracene</a></li> <li><a href="/wiki/Dibenz(a,j)anthracene" title="Dibenz(a,j)anthracene">Dibenz[<i>a</i>,<i>j</i>]anthracene</a></li> <li><a href="/wiki/Pentacene" title="Pentacene">Pentacene</a></li> <li><a href="/w/index.php?title=Pentaphene&action=edit&redlink=1" class="new" title="Pentaphene (page does not exist)">Pentaphene</a></li> <li><a href="/wiki/Perylene" title="Perylene">Perylene</a></li> <li><a href="/wiki/Picene" title="Picene">Picene</a></li> <li><a href="/wiki/Tetraphenylene" title="Tetraphenylene">Tetraphenylene</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">6 rings</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Anthanthrene" title="Anthanthrene">Anthanthrene</a></li> <li><a href="/wiki/Benzo(ghi)perylene" title="Benzo(ghi)perylene">Benzo[<i>ghi</i>]perylene</a></li> <li><a href="/wiki/Corannulene" title="Corannulene">Corannulene</a></li> <li><a href="/wiki/Dibenzopyrenes" title="Dibenzopyrenes">Dibenzopyrenes</a></li> <li><a href="/wiki/Hexacene" title="Hexacene">Hexacene</a></li> <li><a href="/wiki/Triangulene" title="Triangulene">Triangulene</a></li> <li><a href="/wiki/Zethrene" title="Zethrene">Zethrene</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">7+ rings</th><td class="navbox-list-with-group navbox-list navbox-even hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Coronene" title="Coronene">Coronene</a></li> <li><a href="/wiki/Dicoronylene" title="Dicoronylene">Dicoronylene</a></li> <li><a href="/wiki/Diindenoperylene" title="Diindenoperylene">Diindenoperylene</a></li> <li><a href="/wiki/Heptacene" title="Heptacene">Heptacene</a></li> <li><a href="/wiki/Hexabenzocoronene" title="Hexabenzocoronene">Hexabenzocoronene</a> (<a href="/wiki/Hexa-cata-hexabenzocoronene" title="Hexa-cata-hexabenzocoronene">Hexa-cata-</a>)</li> <li><a href="/wiki/Kekulene" title="Kekulene">Kekulene</a></li> <li><a href="/wiki/Ovalene" title="Ovalene">Ovalene</a></li> <li><a href="/wiki/Rubicene" title="Rubicene">Rubicene</a></li> <li><a href="/wiki/Rubrene" title="Rubrene">Rubrene</a></li> <li><a class="mw-selflink selflink">Sumanene</a></li> <li><a href="/wiki/Superphenalene" title="Superphenalene">Superphenalene</a></li> <li><a href="/wiki/Trinaphthylene" title="Trinaphthylene">Trinaphthylene</a></li> <li><a href="/wiki/Truxene" title="Truxene">Truxene</a></li></ul> </div></td></tr><tr><th scope="row" class="navbox-group" style="text-align: center;;width:1%">General classes</th><td class="navbox-list-with-group navbox-list navbox-odd hlist" style="width:100%;padding:0"><div style="padding:0 0.25em"> <ul><li><a href="/wiki/Acene" title="Acene">Acene</a></li> <li><a href="/wiki/Circulene" title="Circulene">Circulene</a></li> <li><a href="/wiki/Cyclacene" title="Cyclacene">Cyclacene</a></li> <li><a href="/wiki/Helicene" title="Helicene">Helicene</a></li> <li><a href="/wiki/Phenacene" title="Phenacene">Phenacene</a></li></ul> </div></td></tr></tbody></table></div>    </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="">Retrieved from "<a dir="ltr" href="https://en.wikipedia.org/w/index.php?title=Sumanene&oldid=1221693153">https://en.wikipedia.org/w/index.php?title=Sumanene&oldid=1221693153</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Help:Category" title="Help:Category">Categories</a>: <ul><li><a href="/wiki/Category:Geodesic_polyarenes" title="Category:Geodesic polyarenes">Geodesic polyarenes</a></li><li><a href="/wiki/Category:Polycyclic_aromatic_hydrocarbons" title="Category:Polycyclic aromatic hydrocarbons">Polycyclic aromatic 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