CINXE.COM

Composto cíclico – Wikipédia, a enciclopédia livre

<!DOCTYPE html> <html class="client-nojs vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available" lang="pt" dir="ltr"> <head> <meta charset="UTF-8"> <title>Composto cíclico – Wikipédia, a enciclopédia livre</title> <script>(function(){var className="client-js vector-feature-language-in-header-enabled vector-feature-language-in-main-page-header-disabled vector-feature-sticky-header-disabled vector-feature-page-tools-pinned-disabled vector-feature-toc-pinned-clientpref-1 vector-feature-main-menu-pinned-disabled vector-feature-limited-width-clientpref-1 vector-feature-limited-width-content-enabled vector-feature-custom-font-size-clientpref-1 vector-feature-appearance-pinned-clientpref-1 vector-feature-night-mode-enabled skin-theme-clientpref-day vector-toc-available";var cookie=document.cookie.match(/(?:^|; )ptwikimwclientpreferences=([^;]+)/);if(cookie){cookie[1].split('%2C').forEach(function(pref){className=className.replace(new RegExp('(^| )'+pref.replace(/-clientpref-\w+$|[^\w-]+/g,'')+'-clientpref-\\w+( |$)'),'$1'+pref+'$2');});}document.documentElement.className=className;}());RLCONF={"wgBreakFrames":false,"wgSeparatorTransformTable":[",\t."," \t,"],"wgDigitTransformTable":["",""], "wgDefaultDateFormat":"dmy","wgMonthNames":["","janeiro","fevereiro","março","abril","maio","junho","julho","agosto","setembro","outubro","novembro","dezembro"],"wgRequestId":"f52c45e8-7718-4fe7-a2c3-c49ec14b6075","wgCanonicalNamespace":"","wgCanonicalSpecialPageName":false,"wgNamespaceNumber":0,"wgPageName":"Composto_cíclico","wgTitle":"Composto cíclico","wgCurRevisionId":60056523,"wgRevisionId":60056523,"wgArticleId":2616260,"wgIsArticle":true,"wgIsRedirect":false,"wgAction":"view","wgUserName":null,"wgUserGroups":["*"],"wgCategories":["!Páginas que usam hiperligações mágicas ISBN","Química orgânica","Compostos cíclicos"],"wgPageViewLanguage":"pt","wgPageContentLanguage":"pt","wgPageContentModel":"wikitext","wgRelevantPageName":"Composto_cíclico","wgRelevantArticleId":2616260,"wgIsProbablyEditable":true,"wgRelevantPageIsProbablyEditable":true,"wgRestrictionEdit":[],"wgRestrictionMove":[],"wgNoticeProject":"wikipedia","wgCiteReferencePreviewsActive":false, "wgMediaViewerOnClick":true,"wgMediaViewerEnabledByDefault":true,"wgPopupsFlags":0,"wgVisualEditor":{"pageLanguageCode":"pt","pageLanguageDir":"ltr","pageVariantFallbacks":"pt"},"wgMFDisplayWikibaseDescriptions":{"search":true,"watchlist":true,"tagline":true,"nearby":true},"wgWMESchemaEditAttemptStepOversample":false,"wgWMEPageLength":1000,"wgRelatedArticlesCompat":[],"wgCentralAuthMobileDomain":false,"wgEditSubmitButtonLabelPublish":true,"wgULSPosition":"interlanguage","wgULSisCompactLinksEnabled":false,"wgVector2022LanguageInHeader":true,"wgULSisLanguageSelectorEmpty":false,"wgWikibaseItemId":"Q66194","wgCheckUserClientHintsHeadersJsApi":["brands","architecture","bitness","fullVersionList","mobile","model","platform","platformVersion"],"GEHomepageSuggestedEditsEnableTopics":true,"wgGETopicsMatchModeEnabled":true,"wgGEStructuredTaskRejectionReasonTextInputEnabled":false,"wgGELevelingUpEnabledForUser":false,"wgSiteNoticeId":"2.30"};RLSTATE={"ext.gadget.FeedbackHighlight-base":"ready", "ext.gadget.keepPDU":"ready","ext.globalCssJs.user.styles":"ready","site.styles":"ready","user.styles":"ready","ext.globalCssJs.user":"ready","user":"ready","user.options":"loading","ext.cite.styles":"ready","mediawiki.page.gallery.styles":"ready","skins.vector.search.codex.styles":"ready","skins.vector.styles":"ready","skins.vector.icons":"ready","ext.wikimediamessages.styles":"ready","ext.visualEditor.desktopArticleTarget.noscript":"ready","ext.uls.interlanguage":"ready","wikibase.client.init":"ready","ext.wikimediaBadges":"ready","ext.dismissableSiteNotice.styles":"ready"};RLPAGEMODULES=["ext.cite.ux-enhancements","site","mediawiki.page.ready","skins.vector.js","ext.centralNotice.geoIP","ext.centralNotice.startUp","ext.gadget.Topicon","ext.gadget.Metacaixa","ext.gadget.TitleRewrite","ext.gadget.ElementosOcultaveis","ext.gadget.FeedbackHighlight","ext.gadget.ReferenceTooltips","ext.gadget.NewVillagePump","ext.gadget.wikibugs","ext.gadget.charinsert","ext.gadget.requestForAdminship", "ext.gadget.WikiMiniAtlas","ext.gadget.PagesForDeletion","ext.urlShortener.toolbar","ext.centralauth.centralautologin","mmv.bootstrap","ext.popups","ext.visualEditor.desktopArticleTarget.init","ext.visualEditor.targetLoader","ext.echo.centralauth","ext.eventLogging","ext.wikimediaEvents","ext.navigationTiming","ext.uls.interface","ext.cx.eventlogging.campaigns","ext.cx.uls.quick.actions","wikibase.client.vector-2022","ext.checkUser.clientHints","ext.growthExperiments.SuggestedEditSession","oojs-ui.styles.icons-media","oojs-ui-core.icons","wikibase.sidebar.tracking","ext.dismissableSiteNotice"];</script> <script>(RLQ=window.RLQ||[]).push(function(){mw.loader.impl(function(){return["user.options@12s5i",function($,jQuery,require,module){mw.user.tokens.set({"patrolToken":"+\\","watchToken":"+\\","csrfToken":"+\\"}); }];});});</script> <link rel="stylesheet" href="/w/load.php?lang=pt&amp;modules=ext.cite.styles%7Cext.dismissableSiteNotice.styles%7Cext.uls.interlanguage%7Cext.visualEditor.desktopArticleTarget.noscript%7Cext.wikimediaBadges%7Cext.wikimediamessages.styles%7Cmediawiki.page.gallery.styles%7Cskins.vector.icons%2Cstyles%7Cskins.vector.search.codex.styles%7Cwikibase.client.init&amp;only=styles&amp;skin=vector-2022"> <script async="" src="/w/load.php?lang=pt&amp;modules=startup&amp;only=scripts&amp;raw=1&amp;skin=vector-2022"></script> <meta name="ResourceLoaderDynamicStyles" content=""> <link rel="stylesheet" href="/w/load.php?lang=pt&amp;modules=ext.gadget.FeedbackHighlight-base%2CkeepPDU&amp;only=styles&amp;skin=vector-2022"> <link rel="stylesheet" href="/w/load.php?lang=pt&amp;modules=site.styles&amp;only=styles&amp;skin=vector-2022"> <meta name="generator" content="MediaWiki 1.44.0-wmf.4"> <meta name="referrer" content="origin"> <meta name="referrer" content="origin-when-cross-origin"> <meta name="robots" content="max-image-preview:standard"> <meta name="format-detection" content="telephone=no"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/d/da/Benzol.svg/1200px-Benzol.svg.png"> <meta property="og:image:width" content="1200"> <meta property="og:image:height" content="1366"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/d/da/Benzol.svg/800px-Benzol.svg.png"> <meta property="og:image:width" content="800"> <meta property="og:image:height" content="911"> <meta property="og:image" content="https://upload.wikimedia.org/wikipedia/commons/thumb/d/da/Benzol.svg/640px-Benzol.svg.png"> <meta property="og:image:width" content="640"> <meta property="og:image:height" content="729"> <meta name="viewport" content="width=1120"> <meta property="og:title" content="Composto cíclico – Wikipédia, a enciclopédia livre"> <meta property="og:type" content="website"> <link rel="preconnect" href="//upload.wikimedia.org"> <link rel="alternate" media="only screen and (max-width: 640px)" href="//pt.m.wikipedia.org/wiki/Composto_c%C3%ADclico"> <link rel="alternate" type="application/x-wiki" title="Editar" href="/w/index.php?title=Composto_c%C3%ADclico&amp;action=edit"> <link rel="apple-touch-icon" href="/static/apple-touch/wikipedia.png"> <link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipédia (pt)"> <link rel="EditURI" type="application/rsd+xml" href="//pt.wikipedia.org/w/api.php?action=rsd"> <link rel="canonical" href="https://pt.wikipedia.org/wiki/Composto_c%C3%ADclico"> <link rel="license" href="https://creativecommons.org/licenses/by-sa/4.0/deed.pt"> <link rel="alternate" type="application/atom+xml" title="&#039;&#039;Feed&#039;&#039; Atom Wikipédia" href="/w/index.php?title=Especial:Mudan%C3%A7as_recentes&amp;feed=atom"> <link rel="dns-prefetch" href="//meta.wikimedia.org" /> <link rel="dns-prefetch" href="//login.wikimedia.org"> </head> <body class="skin--responsive skin-vector skin-vector-search-vue mediawiki ltr sitedir-ltr mw-hide-empty-elt ns-0 ns-subject mw-editable page-Composto_cíclico rootpage-Composto_cíclico skin-vector-2022 action-view"><a class="mw-jump-link" href="#bodyContent">Saltar para o conteúdo</a> <div class="vector-header-container"> <header class="vector-header mw-header"> <div class="vector-header-start"> <nav class="vector-main-menu-landmark" aria-label="&#039;&#039;Site&#039;&#039;"> <div id="vector-main-menu-dropdown" class="vector-dropdown vector-main-menu-dropdown vector-button-flush-left vector-button-flush-right" > <input type="checkbox" id="vector-main-menu-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-main-menu-dropdown" class="vector-dropdown-checkbox " aria-label="Menu principal" > <label id="vector-main-menu-dropdown-label" for="vector-main-menu-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-menu mw-ui-icon-wikimedia-menu"></span> <span class="vector-dropdown-label-text">Menu principal</span> </label> <div class="vector-dropdown-content"> <div id="vector-main-menu-unpinned-container" class="vector-unpinned-container"> <div id="vector-main-menu" class="vector-main-menu vector-pinnable-element"> <div class="vector-pinnable-header vector-main-menu-pinnable-header vector-pinnable-header-unpinned" data-feature-name="main-menu-pinned" data-pinnable-element-id="vector-main-menu" data-pinned-container-id="vector-main-menu-pinned-container" data-unpinned-container-id="vector-main-menu-unpinned-container" > <div class="vector-pinnable-header-label">Menu principal</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-main-menu.pin">mover para a barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-main-menu.unpin">ocultar</button> </div> <div id="p-navigation" class="vector-menu mw-portlet mw-portlet-navigation" > <div class="vector-menu-heading"> Navegação </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-mainpage-description" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:P%C3%A1gina_principal" title="Visitar a página principal [z]" accesskey="z"><span>Página principal</span></a></li><li id="n-featuredcontent" class="mw-list-item"><a href="/wiki/Portal:Conte%C3%BAdo_destacado"><span>Conteúdo destacado</span></a></li><li id="n-currentevents" class="mw-list-item"><a href="/wiki/Portal:Eventos_atuais" title="Informação temática sobre eventos atuais"><span>Eventos atuais</span></a></li><li id="n-villagepump" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Esplanada"><span>Esplanada</span></a></li><li id="n-randompage" class="mw-list-item"><a href="/wiki/Especial:Aleat%C3%B3ria" title="Carregar página aleatória [x]" accesskey="x"><span>Página aleatória</span></a></li><li id="n-portals" class="mw-list-item"><a href="/wiki/Portal:%C3%8Dndice"><span>Portais</span></a></li><li id="n-bug_in_article" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Informe_um_erro"><span>Informar um erro</span></a></li> </ul> </div> </div> <div id="p-interaction" class="vector-menu mw-portlet mw-portlet-interaction" > <div class="vector-menu-heading"> Colaboração </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="n-welcome" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Boas-vindas"><span>Boas-vindas</span></a></li><li id="n-help" class="mw-list-item"><a href="/wiki/Ajuda:P%C3%A1gina_principal" title="Um local reservado para auxílio."><span>Ajuda</span></a></li><li id="n-Páginas-de-testes-públicas" class="mw-list-item"><a href="/wiki/Ajuda:P%C3%A1gina_de_testes"><span>Páginas de testes públicas</span></a></li><li id="n-portal" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Portal_comunit%C3%A1rio" title="Sobre o projeto"><span>Portal comunitário</span></a></li><li id="n-recentchanges" class="mw-list-item"><a href="/wiki/Especial:Mudan%C3%A7as_recentes" title="Uma lista de mudanças recentes nesta wiki [r]" accesskey="r"><span>Mudanças recentes</span></a></li><li id="n-maintenance" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Manuten%C3%A7%C3%A3o"><span>Manutenção</span></a></li><li id="n-createpage" class="mw-list-item"><a href="/wiki/Ajuda:Guia_de_edi%C3%A7%C3%A3o/Como_come%C3%A7ar_uma_p%C3%A1gina"><span>Criar página</span></a></li><li id="n-newpages-description" class="mw-list-item"><a href="/wiki/Especial:P%C3%A1ginas_novas"><span>Páginas novas</span></a></li><li id="n-contact-description" class="mw-list-item"><a href="/wiki/Wikip%C3%A9dia:Contato"><span>Contato</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> <a href="/wiki/Wikip%C3%A9dia:P%C3%A1gina_principal" class="mw-logo"> <img class="mw-logo-icon" src="/static/images/icons/wikipedia.png" alt="" aria-hidden="true" height="50" width="50"> <span class="mw-logo-container skin-invert"> <img class="mw-logo-wordmark" alt="Wikipédia" src="/static/images/mobile/copyright/wikipedia-wordmark-fr.svg" style="width: 7.4375em; height: 1.125em;"> <img class="mw-logo-tagline" alt="" src="/static/images/mobile/copyright/wikipedia-tagline-pt.svg" width="120" height="13" style="width: 7.5em; height: 0.8125em;"> </span> </a> </div> <div class="vector-header-end"> <div id="p-search" role="search" class="vector-search-box-vue vector-search-box-collapses vector-search-box-show-thumbnail vector-search-box-auto-expand-width vector-search-box"> <a href="/wiki/Especial:Pesquisar" class="cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only search-toggle" title="Pesquisar na Wikipédia [f]" accesskey="f"><span class="vector-icon mw-ui-icon-search mw-ui-icon-wikimedia-search"></span> <span>Busca</span> </a> <div class="vector-typeahead-search-container"> <div class="cdx-typeahead-search cdx-typeahead-search--show-thumbnail cdx-typeahead-search--auto-expand-width"> <form action="/w/index.php" id="searchform" class="cdx-search-input cdx-search-input--has-end-button"> <div id="simpleSearch" class="cdx-search-input__input-wrapper" data-search-loc="header-moved"> <div class="cdx-text-input cdx-text-input--has-start-icon"> <input class="cdx-text-input__input" type="search" name="search" placeholder="Pesquisar na Wikipédia" aria-label="Pesquisar na Wikipédia" autocapitalize="sentences" title="Pesquisar na Wikipédia [f]" accesskey="f" id="searchInput" > <span class="cdx-text-input__icon cdx-text-input__start-icon"></span> </div> <input type="hidden" name="title" value="Especial:Pesquisar"> </div> <button class="cdx-button cdx-search-input__end-button">Pesquisar</button> </form> </div> </div> </div> <nav class="vector-user-links vector-user-links-wide" aria-label="Ferramentas pessoais"> <div class="vector-user-links-main"> <div id="p-vector-user-menu-preferences" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-userpage" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <nav class="vector-appearance-landmark" aria-label="Aspeto"> <div id="vector-appearance-dropdown" class="vector-dropdown " title="Change the appearance of the page&#039;s font size, width, and color" > <input type="checkbox" id="vector-appearance-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-appearance-dropdown" class="vector-dropdown-checkbox " aria-label="Aspeto" > <label id="vector-appearance-dropdown-label" for="vector-appearance-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-appearance mw-ui-icon-wikimedia-appearance"></span> <span class="vector-dropdown-label-text">Aspeto</span> </label> <div class="vector-dropdown-content"> <div id="vector-appearance-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <div id="p-vector-user-menu-notifications" class="vector-menu mw-portlet emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> <div id="p-vector-user-menu-overflow" class="vector-menu mw-portlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&amp;utm_medium=sidebar&amp;utm_campaign=20120521SB001&amp;uselang=pt" class=""><span>Donativos</span></a> </li> <li id="pt-createaccount-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Especial:Criar_conta&amp;returnto=Composto+c%C3%ADclico" title="É encorajado a criar uma conta e iniciar sessão; no entanto, não é obrigatório" class=""><span>Criar uma conta</span></a> </li> <li id="pt-login-2" class="user-links-collapsible-item mw-list-item user-links-collapsible-item"><a data-mw="interface" href="/w/index.php?title=Especial:Entrar&amp;returnto=Composto+c%C3%ADclico" title="Aconselhamos-lhe a criar uma conta na Wikipédia, embora tal não seja obrigatório. [o]" accesskey="o" class=""><span>Entrar</span></a> </li> </ul> </div> </div> </div> <div id="vector-user-links-dropdown" class="vector-dropdown vector-user-menu vector-button-flush-right vector-user-menu-logged-out" title="Mais opções" > <input type="checkbox" id="vector-user-links-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-user-links-dropdown" class="vector-dropdown-checkbox " aria-label="Ferramentas pessoais" > <label id="vector-user-links-dropdown-label" for="vector-user-links-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-ellipsis mw-ui-icon-wikimedia-ellipsis"></span> <span class="vector-dropdown-label-text">Ferramentas pessoais</span> </label> <div class="vector-dropdown-content"> <div id="p-personal" class="vector-menu mw-portlet mw-portlet-personal user-links-collapsible-item" title="Menu do utilizador" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-sitesupport" class="user-links-collapsible-item mw-list-item"><a href="//donate.wikimedia.org/wiki/Special:FundraiserRedirector?utm_source=donate&amp;utm_medium=sidebar&amp;utm_campaign=20120521SB001&amp;uselang=pt"><span>Donativos</span></a></li><li id="pt-createaccount" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Especial:Criar_conta&amp;returnto=Composto+c%C3%ADclico" title="É encorajado a criar uma conta e iniciar sessão; no entanto, não é obrigatório"><span class="vector-icon mw-ui-icon-userAdd mw-ui-icon-wikimedia-userAdd"></span> <span>Criar uma conta</span></a></li><li id="pt-login" class="user-links-collapsible-item mw-list-item"><a href="/w/index.php?title=Especial:Entrar&amp;returnto=Composto+c%C3%ADclico" title="Aconselhamos-lhe a criar uma conta na Wikipédia, embora tal não seja obrigatório. [o]" accesskey="o"><span class="vector-icon mw-ui-icon-logIn mw-ui-icon-wikimedia-logIn"></span> <span>Entrar</span></a></li> </ul> </div> </div> <div id="p-user-menu-anon-editor" class="vector-menu mw-portlet mw-portlet-user-menu-anon-editor" > <div class="vector-menu-heading"> Páginas para editores sem sessão iniciada <a href="/wiki/Ajuda:Introduction" aria-label="Saiba mais sobre edição"><span>saber mais</span></a> </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="pt-anoncontribs" class="mw-list-item"><a href="/wiki/Especial:Minhas_contribui%C3%A7%C3%B5es" title="Uma lista de edições feitas a partir deste endereço IP [y]" accesskey="y"><span>Contribuições</span></a></li><li id="pt-anontalk" class="mw-list-item"><a href="/wiki/Especial:Minha_discuss%C3%A3o" title="Discussão sobre edições feitas a partir deste endereço IP [n]" accesskey="n"><span>Discussão</span></a></li> </ul> </div> </div> </div> </div> </nav> </div> </header> </div> <div class="mw-page-container"> <div class="mw-page-container-inner"> <div class="vector-sitenotice-container"> <div id="siteNotice"><div id="mw-dismissablenotice-anonplace"></div><script>(function(){var node=document.getElementById("mw-dismissablenotice-anonplace");if(node){node.outerHTML="\u003Cdiv class=\"mw-dismissable-notice\"\u003E\u003Cdiv class=\"mw-dismissable-notice-close\"\u003E[\u003Ca tabindex=\"0\" role=\"button\"\u003Eocultar\u003C/a\u003E]\u003C/div\u003E\u003Cdiv class=\"mw-dismissable-notice-body\"\u003E\u003C!-- CentralNotice --\u003E\u003Cdiv id=\"localNotice\" data-nosnippet=\"\"\u003E\u003Cdiv class=\"anonnotice\" lang=\"pt\" dir=\"ltr\"\u003E\u003C/div\u003E\u003C/div\u003E\u003C/div\u003E\u003C/div\u003E";}}());</script></div> </div> <div class="vector-column-start"> <div class="vector-main-menu-container"> <div id="mw-navigation"> <nav id="mw-panel" class="vector-main-menu-landmark" aria-label="&#039;&#039;Site&#039;&#039;"> <div id="vector-main-menu-pinned-container" class="vector-pinned-container"> </div> </nav> </div> </div> <div class="vector-sticky-pinned-container"> <nav id="mw-panel-toc" aria-label="Conteúdo" data-event-name="ui.sidebar-toc" class="mw-table-of-contents-container vector-toc-landmark"> <div id="vector-toc-pinned-container" class="vector-pinned-container"> <div id="vector-toc" class="vector-toc vector-pinnable-element"> <div class="vector-pinnable-header vector-toc-pinnable-header vector-pinnable-header-pinned" data-feature-name="toc-pinned" data-pinnable-element-id="vector-toc" > <h2 class="vector-pinnable-header-label">Conteúdo</h2> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-toc.pin">mover para a barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-toc.unpin">ocultar</button> </div> <ul class="vector-toc-contents" id="mw-panel-toc-list"> <li id="toc-mw-content-text" class="vector-toc-list-item vector-toc-level-1"> <a href="#" class="vector-toc-link"> <div class="vector-toc-text">Início</div> </a> </li> <li id="toc-Referências" class="vector-toc-list-item vector-toc-level-1 vector-toc-list-item-expanded"> <a class="vector-toc-link" href="#Referências"> <div class="vector-toc-text"> <span class="vector-toc-numb">1</span> <span>Referências</span> </div> </a> <ul id="toc-Referências-sublist" class="vector-toc-list"> </ul> </li> </ul> </div> </div> </nav> </div> </div> <div class="mw-content-container"> <main id="content" class="mw-body"> <header class="mw-body-header vector-page-titlebar"> <nav aria-label="Conteúdo" class="vector-toc-landmark"> <div id="vector-page-titlebar-toc" class="vector-dropdown vector-page-titlebar-toc vector-button-flush-left" > <input type="checkbox" id="vector-page-titlebar-toc-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-titlebar-toc" class="vector-dropdown-checkbox " aria-label="Alternar o índice" > <label id="vector-page-titlebar-toc-label" for="vector-page-titlebar-toc-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--icon-only " aria-hidden="true" ><span class="vector-icon mw-ui-icon-listBullet mw-ui-icon-wikimedia-listBullet"></span> <span class="vector-dropdown-label-text">Alternar o índice</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-titlebar-toc-unpinned-container" class="vector-unpinned-container"> </div> </div> </div> </nav> <h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Composto cíclico</span></h1> <div id="p-lang-btn" class="vector-dropdown mw-portlet mw-portlet-lang" > <input type="checkbox" id="p-lang-btn-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-p-lang-btn" class="vector-dropdown-checkbox mw-interlanguage-selector" aria-label="Ir para um artigo noutra língua. Disponível em 32 línguas" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-32" 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">32 línguas</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-ar mw-list-item"><a href="https://ar.wikipedia.org/wiki/%D9%85%D8%B1%D9%83%D8%A8_%D8%AD%D9%84%D9%82%D9%8A" title="مركب حلقي — árabe" lang="ar" hreflang="ar" data-title="مركب حلقي" data-language-autonym="العربية" data-language-local-name="árabe" class="interlanguage-link-target"><span>العربية</span></a></li><li class="interlanguage-link interwiki-bg mw-list-item"><a href="https://bg.wikipedia.org/wiki/%D0%A6%D0%B8%D0%BA%D0%BB%D0%B8%D1%87%D0%BD%D0%BE_%D1%81%D1%8A%D0%B5%D0%B4%D0%B8%D0%BD%D0%B5%D0%BD%D0%B8%D0%B5" title="Циклично съединение — búlgaro" lang="bg" hreflang="bg" data-title="Циклично съединение" data-language-autonym="Български" data-language-local-name="búlgaro" class="interlanguage-link-target"><span>Български</span></a></li><li class="interlanguage-link interwiki-bs mw-list-item"><a href="https://bs.wikipedia.org/wiki/Cikli%C4%8Dni_spoj" title="Ciklični spoj — bósnio" lang="bs" hreflang="bs" data-title="Ciklični spoj" data-language-autonym="Bosanski" data-language-local-name="bósnio" class="interlanguage-link-target"><span>Bosanski</span></a></li><li class="interlanguage-link interwiki-ca mw-list-item"><a href="https://ca.wikipedia.org/wiki/Compost_c%C3%ADclic" title="Compost cíclic — catalão" lang="ca" hreflang="ca" data-title="Compost cíclic" data-language-autonym="Català" data-language-local-name="catalão" class="interlanguage-link-target"><span>Català</span></a></li><li class="interlanguage-link interwiki-cs mw-list-item"><a href="https://cs.wikipedia.org/wiki/Cyklick%C3%A9_slou%C4%8Deniny" title="Cyklické sloučeniny — checo" lang="cs" hreflang="cs" data-title="Cyklické sloučeniny" data-language-autonym="Čeština" data-language-local-name="checo" class="interlanguage-link-target"><span>Čeština</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Cyclische_Verbindungen" title="Cyclische Verbindungen — alemão" lang="de" hreflang="de" data-title="Cyclische Verbindungen" data-language-autonym="Deutsch" data-language-local-name="alemão" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Cyclic_compound" title="Cyclic compound — inglês" lang="en" hreflang="en" data-title="Cyclic compound" data-language-autonym="English" data-language-local-name="inglês" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-eo badge-Q70894304 mw-list-item" title=""><a href="https://eo.wikipedia.org/wiki/Cikla_kombina%C4%B5o" title="Cikla kombinaĵo — esperanto" lang="eo" hreflang="eo" data-title="Cikla kombinaĵo" data-language-autonym="Esperanto" data-language-local-name="esperanto" class="interlanguage-link-target"><span>Esperanto</span></a></li><li class="interlanguage-link interwiki-es mw-list-item"><a href="https://es.wikipedia.org/wiki/Compuesto_c%C3%ADclico" title="Compuesto cíclico — espanhol" lang="es" hreflang="es" data-title="Compuesto cíclico" data-language-autonym="Español" data-language-local-name="espanhol" class="interlanguage-link-target"><span>Español</span></a></li><li class="interlanguage-link interwiki-et mw-list-item"><a href="https://et.wikipedia.org/wiki/Ts%C3%BCklilised_%C3%BChendid" title="Tsüklilised ühendid — estónio" lang="et" hreflang="et" data-title="Tsüklilised ühendid" data-language-autonym="Eesti" data-language-local-name="estónio" class="interlanguage-link-target"><span>Eesti</span></a></li><li class="interlanguage-link interwiki-eu mw-list-item"><a href="https://eu.wikipedia.org/wiki/Konposatu_zikliko" title="Konposatu zikliko — basco" lang="eu" hreflang="eu" data-title="Konposatu zikliko" data-language-autonym="Euskara" data-language-local-name="basco" class="interlanguage-link-target"><span>Euskara</span></a></li><li class="interlanguage-link interwiki-fa mw-list-item"><a href="https://fa.wikipedia.org/wiki/%D8%AA%D8%B1%DA%A9%DB%8C%D8%A8_%D8%AD%D9%84%D9%82%D9%88%DB%8C" title="ترکیب حلقوی — persa" lang="fa" hreflang="fa" data-title="ترکیب حلقوی" data-language-autonym="فارسی" data-language-local-name="persa" 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/Compos%C3%A9_cyclique" title="Composé cyclique — francês" lang="fr" hreflang="fr" data-title="Composé cyclique" data-language-autonym="Français" data-language-local-name="francês" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-ga mw-list-item"><a href="https://ga.wikipedia.org/wiki/Comhdh%C3%BAil_fh%C3%A1inneach" title="Comhdhúil fháinneach — irlandês" lang="ga" hreflang="ga" data-title="Comhdhúil fháinneach" data-language-autonym="Gaeilge" data-language-local-name="irlandês" class="interlanguage-link-target"><span>Gaeilge</span></a></li><li class="interlanguage-link interwiki-gl mw-list-item"><a href="https://gl.wikipedia.org/wiki/Composto_c%C3%ADclico" title="Composto cíclico — galego" lang="gl" hreflang="gl" data-title="Composto cíclico" data-language-autonym="Galego" data-language-local-name="galego" class="interlanguage-link-target"><span>Galego</span></a></li><li class="interlanguage-link interwiki-hi mw-list-item"><a href="https://hi.wikipedia.org/wiki/%E0%A4%9A%E0%A4%95%E0%A5%8D%E0%A4%B0%E0%A5%80%E0%A4%AF_%E0%A4%AF%E0%A5%8C%E0%A4%97%E0%A4%BF%E0%A4%95" title="चक्रीय यौगिक — hindi" lang="hi" hreflang="hi" data-title="चक्रीय यौगिक" data-language-autonym="हिन्दी" data-language-local-name="hindi" class="interlanguage-link-target"><span>हिन्दी</span></a></li><li class="interlanguage-link interwiki-hu mw-list-item"><a href="https://hu.wikipedia.org/wiki/Gy%C5%B1r%C5%B1s_vegy%C3%BCletek" title="Gyűrűs vegyületek — húngaro" lang="hu" hreflang="hu" data-title="Gyűrűs vegyületek" data-language-autonym="Magyar" data-language-local-name="húngaro" class="interlanguage-link-target"><span>Magyar</span></a></li><li class="interlanguage-link interwiki-id mw-list-item"><a href="https://id.wikipedia.org/wiki/Senyawa_siklik" title="Senyawa siklik — indonésio" lang="id" hreflang="id" data-title="Senyawa siklik" data-language-autonym="Bahasa Indonesia" data-language-local-name="indonésio" class="interlanguage-link-target"><span>Bahasa Indonesia</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Composti_ciclici" title="Composti ciclici — italiano" lang="it" hreflang="it" data-title="Composti ciclici" data-language-autonym="Italiano" data-language-local-name="italiano" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ja mw-list-item"><a href="https://ja.wikipedia.org/wiki/%E7%92%B0%E5%BC%8F%E5%8C%96%E5%90%88%E7%89%A9" title="環式化合物 — japonês" lang="ja" hreflang="ja" data-title="環式化合物" data-language-autonym="日本語" data-language-local-name="japonês" class="interlanguage-link-target"><span>日本語</span></a></li><li class="interlanguage-link interwiki-ko mw-list-item"><a href="https://ko.wikipedia.org/wiki/%EA%B3%A0%EB%A6%AC_%ED%99%94%ED%95%A9%EB%AC%BC" title="고리 화합물 — coreano" lang="ko" hreflang="ko" data-title="고리 화합물" data-language-autonym="한국어" data-language-local-name="coreano" class="interlanguage-link-target"><span>한국어</span></a></li><li class="interlanguage-link interwiki-ml mw-list-item"><a href="https://ml.wikipedia.org/wiki/%E0%B4%B5%E0%B4%B2%E0%B4%AF%E0%B4%B8%E0%B4%82%E0%B4%AF%E0%B5%81%E0%B4%95%E0%B5%8D%E0%B4%A4%E0%B4%82" title="വലയസംയുക്തം — malaiala" lang="ml" hreflang="ml" data-title="വലയസംയുക്തം" data-language-autonym="മലയാളം" data-language-local-name="malaiala" class="interlanguage-link-target"><span>മലയാളം</span></a></li><li class="interlanguage-link interwiki-nl mw-list-item"><a href="https://nl.wikipedia.org/wiki/Cyclische_verbinding" title="Cyclische verbinding — neerlandês" lang="nl" hreflang="nl" data-title="Cyclische verbinding" data-language-autonym="Nederlands" data-language-local-name="neerlandês" class="interlanguage-link-target"><span>Nederlands</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Zwi%C4%85zki_cykliczne" title="Związki cykliczne — polaco" lang="pl" hreflang="pl" data-title="Związki cykliczne" data-language-autonym="Polski" data-language-local-name="polaco" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-ro mw-list-item"><a href="https://ro.wikipedia.org/wiki/Compus_ciclic" title="Compus ciclic — romeno" lang="ro" hreflang="ro" data-title="Compus ciclic" data-language-autonym="Română" data-language-local-name="romeno" class="interlanguage-link-target"><span>Română</span></a></li><li class="interlanguage-link interwiki-ru mw-list-item"><a href="https://ru.wikipedia.org/wiki/%D0%A6%D0%B8%D0%BA%D0%BB%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8%D0%B5_%D1%81%D0%BE%D0%B5%D0%B4%D0%B8%D0%BD%D0%B5%D0%BD%D0%B8%D1%8F" title="Циклические соединения — russo" lang="ru" hreflang="ru" data-title="Циклические соединения" data-language-autonym="Русский" data-language-local-name="russo" class="interlanguage-link-target"><span>Русский</span></a></li><li class="interlanguage-link interwiki-sh mw-list-item"><a href="https://sh.wikipedia.org/wiki/Cikli%C4%8Dno_jedinjenje" title="Ciklično jedinjenje — servo-croata" lang="sh" hreflang="sh" data-title="Ciklično jedinjenje" data-language-autonym="Srpskohrvatski / српскохрватски" data-language-local-name="servo-croata" class="interlanguage-link-target"><span>Srpskohrvatski / српскохрватски</span></a></li><li class="interlanguage-link interwiki-simple mw-list-item"><a href="https://simple.wikipedia.org/wiki/Cyclic_compound" title="Cyclic compound — Simple English" lang="en-simple" hreflang="en-simple" data-title="Cyclic compound" data-language-autonym="Simple English" data-language-local-name="Simple English" class="interlanguage-link-target"><span>Simple English</span></a></li><li class="interlanguage-link interwiki-sl mw-list-item"><a href="https://sl.wikipedia.org/wiki/Cikli%C4%8Dna_spojina" title="Ciklična spojina — esloveno" lang="sl" hreflang="sl" data-title="Ciklična spojina" data-language-autonym="Slovenščina" data-language-local-name="esloveno" class="interlanguage-link-target"><span>Slovenščina</span></a></li><li class="interlanguage-link interwiki-sr mw-list-item"><a href="https://sr.wikipedia.org/wiki/Cikli%C4%8Dno_jedinjenje" title="Ciklično jedinjenje — sérvio" lang="sr" hreflang="sr" data-title="Ciklično jedinjenje" data-language-autonym="Српски / srpski" data-language-local-name="sérvio" class="interlanguage-link-target"><span>Српски / srpski</span></a></li><li class="interlanguage-link interwiki-uk mw-list-item"><a href="https://uk.wikipedia.org/wiki/%D0%A6%D0%B8%D0%BA%D0%BB%D1%96%D1%87%D0%BD%D1%96_%D1%81%D0%BF%D0%BE%D0%BB%D1%83%D0%BA%D0%B8" title="Циклічні сполуки — ucraniano" lang="uk" hreflang="uk" data-title="Циклічні сполуки" data-language-autonym="Українська" data-language-local-name="ucraniano" 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/%E7%8E%AF%E7%8A%B6%E5%8C%96%E5%90%88%E7%89%A9" title="环状化合物 — chinês" lang="zh" hreflang="zh" data-title="环状化合物" data-language-autonym="中文" data-language-local-name="chinês" 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/Q66194#sitelinks-wikipedia" title="Editar hiperligações interlínguas" class="wbc-editpage">Editar hiperligações</a></span></div> </div> </div> </div> </header> <div class="vector-page-toolbar"> <div class="vector-page-toolbar-container"> <div id="left-navigation"> <nav aria-label="Espaços nominais"> <div id="p-associated-pages" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-associated-pages" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-nstab-main" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Composto_c%C3%ADclico" title="Ver a página de conteúdo [c]" accesskey="c"><span>Artigo</span></a></li><li id="ca-talk" class="new vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Discuss%C3%A3o:Composto_c%C3%ADclico&amp;action=edit&amp;redlink=1" rel="discussion" class="new" title="Discussão sobre o conteúdo da página (página não existe) [t]" accesskey="t"><span>Discussão</span></a></li> </ul> </div> </div> <div id="vector-variants-dropdown" class="vector-dropdown emptyPortlet" > <input type="checkbox" id="vector-variants-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-variants-dropdown" class="vector-dropdown-checkbox " aria-label="Mudar a variante da língua" > <label id="vector-variants-dropdown-label" for="vector-variants-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">português</span> </label> <div class="vector-dropdown-content"> <div id="p-variants" class="vector-menu mw-portlet mw-portlet-variants emptyPortlet" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> </ul> </div> </div> </div> </div> </nav> </div> <div id="right-navigation" class="vector-collapsible"> <nav aria-label="Vistas"> <div id="p-views" class="vector-menu vector-menu-tabs mw-portlet mw-portlet-views" > <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-view" class="selected vector-tab-noicon mw-list-item"><a href="/wiki/Composto_c%C3%ADclico"><span>Ler</span></a></li><li id="ca-ve-edit" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Composto_c%C3%ADclico&amp;veaction=edit" title="Editar esta página [v]" accesskey="v"><span>Editar</span></a></li><li id="ca-edit" class="collapsible vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Composto_c%C3%ADclico&amp;action=edit" title="Editar o código-fonte desta página [e]" accesskey="e"><span>Editar código-fonte</span></a></li><li id="ca-history" class="vector-tab-noicon mw-list-item"><a href="/w/index.php?title=Composto_c%C3%ADclico&amp;action=history" title="Edições anteriores desta página. [h]" accesskey="h"><span>Ver histórico</span></a></li> </ul> </div> </div> </nav> <nav class="vector-page-tools-landmark" aria-label="Ferramentas de página"> <div id="vector-page-tools-dropdown" class="vector-dropdown vector-page-tools-dropdown" > <input type="checkbox" id="vector-page-tools-dropdown-checkbox" role="button" aria-haspopup="true" data-event-name="ui.dropdown-vector-page-tools-dropdown" class="vector-dropdown-checkbox " aria-label="Ferramentas" > <label id="vector-page-tools-dropdown-label" for="vector-page-tools-dropdown-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet" aria-hidden="true" ><span class="vector-dropdown-label-text">Ferramentas</span> </label> <div class="vector-dropdown-content"> <div id="vector-page-tools-unpinned-container" class="vector-unpinned-container"> <div id="vector-page-tools" class="vector-page-tools vector-pinnable-element"> <div class="vector-pinnable-header vector-page-tools-pinnable-header vector-pinnable-header-unpinned" data-feature-name="page-tools-pinned" data-pinnable-element-id="vector-page-tools" data-pinned-container-id="vector-page-tools-pinned-container" data-unpinned-container-id="vector-page-tools-unpinned-container" > <div class="vector-pinnable-header-label">Ferramentas</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-page-tools.pin">mover para a barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-page-tools.unpin">ocultar</button> </div> <div id="p-cactions" class="vector-menu mw-portlet mw-portlet-cactions emptyPortlet vector-has-collapsible-items" title="Mais opções" > <div class="vector-menu-heading"> Operações </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="ca-more-view" class="selected vector-more-collapsible-item mw-list-item"><a href="/wiki/Composto_c%C3%ADclico"><span>Ler</span></a></li><li id="ca-more-ve-edit" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Composto_c%C3%ADclico&amp;veaction=edit" title="Editar esta página [v]" accesskey="v"><span>Editar</span></a></li><li id="ca-more-edit" class="collapsible vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Composto_c%C3%ADclico&amp;action=edit" title="Editar o código-fonte desta página [e]" accesskey="e"><span>Editar código-fonte</span></a></li><li id="ca-more-history" class="vector-more-collapsible-item mw-list-item"><a href="/w/index.php?title=Composto_c%C3%ADclico&amp;action=history"><span>Ver histórico</span></a></li> </ul> </div> </div> <div id="p-tb" class="vector-menu mw-portlet mw-portlet-tb" > <div class="vector-menu-heading"> Geral </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="t-whatlinkshere" class="mw-list-item"><a href="/wiki/Especial:P%C3%A1ginas_afluentes/Composto_c%C3%ADclico" title="Lista de todas as páginas que contêm hiperligações para esta [j]" accesskey="j"><span>Páginas afluentes</span></a></li><li id="t-recentchangeslinked" class="mw-list-item"><a href="/wiki/Especial:Altera%C3%A7%C3%B5es_relacionadas/Composto_c%C3%ADclico" rel="nofollow" title="Mudanças recentes nas páginas para as quais esta contém hiperligações [k]" accesskey="k"><span>Alterações relacionadas</span></a></li><li id="t-upload" class="mw-list-item"><a href="/wiki/Wikipedia:Carregar_ficheiro" title="Carregar ficheiros [u]" accesskey="u"><span>Carregar ficheiro</span></a></li><li id="t-specialpages" class="mw-list-item"><a href="/wiki/Especial:P%C3%A1ginas_especiais" title="Lista de páginas especiais [q]" accesskey="q"><span>Páginas especiais</span></a></li><li id="t-permalink" class="mw-list-item"><a href="/w/index.php?title=Composto_c%C3%ADclico&amp;oldid=60056523" title="Hiperligação permanente para esta revisão desta página"><span>Hiperligação permanente</span></a></li><li id="t-info" class="mw-list-item"><a href="/w/index.php?title=Composto_c%C3%ADclico&amp;action=info" title="Mais informações sobre esta página"><span>Informações da página</span></a></li><li id="t-cite" class="mw-list-item"><a href="/w/index.php?title=Especial:Citar&amp;page=Composto_c%C3%ADclico&amp;id=60056523&amp;wpFormIdentifier=titleform" title="Informação sobre como citar esta página"><span>Citar esta página</span></a></li><li id="t-urlshortener" class="mw-list-item"><a href="/w/index.php?title=Especial:UrlShortener&amp;url=https%3A%2F%2Fpt.wikipedia.org%2Fwiki%2FComposto_c%25C3%25ADclico"><span>Obter URL encurtado</span></a></li><li id="t-urlshortener-qrcode" class="mw-list-item"><a href="/w/index.php?title=Especial:QrCode&amp;url=https%3A%2F%2Fpt.wikipedia.org%2Fwiki%2FComposto_c%25C3%25ADclico"><span>Descarregar código QR</span></a></li> </ul> </div> </div> <div id="p-coll-print_export" class="vector-menu mw-portlet mw-portlet-coll-print_export" > <div class="vector-menu-heading"> Imprimir/exportar </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li id="coll-create_a_book" class="mw-list-item"><a href="/w/index.php?title=Especial:Livro&amp;bookcmd=book_creator&amp;referer=Composto+c%C3%ADclico"><span>Criar um livro</span></a></li><li id="coll-download-as-rl" class="mw-list-item"><a href="/w/index.php?title=Especial:DownloadAsPdf&amp;page=Composto_c%C3%ADclico&amp;action=show-download-screen"><span>Descarregar como PDF</span></a></li><li id="t-print" class="mw-list-item"><a href="/w/index.php?title=Composto_c%C3%ADclico&amp;printable=yes" title="Versão para impressão desta página [p]" accesskey="p"><span>Versão para impressão</span></a></li> </ul> </div> </div> <div id="p-wikibase-otherprojects" class="vector-menu mw-portlet mw-portlet-wikibase-otherprojects" > <div class="vector-menu-heading"> Noutros projetos </div> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="wb-otherproject-link wb-otherproject-commons mw-list-item"><a href="https://commons.wikimedia.org/wiki/Category:Cyclic_compounds" hreflang="en"><span>Wikimedia Commons</span></a></li><li id="t-wikibase" class="wb-otherproject-link wb-otherproject-wikibase-dataitem mw-list-item"><a href="https://www.wikidata.org/wiki/Special:EntityPage/Q66194" title="Hiperligação para o elemento do repositório de dados [g]" accesskey="g"><span>Elemento Wikidata</span></a></li> </ul> </div> </div> </div> </div> </div> </div> </nav> </div> </div> </div> <div class="vector-column-end"> <div class="vector-sticky-pinned-container"> <nav class="vector-page-tools-landmark" aria-label="Ferramentas de página"> <div id="vector-page-tools-pinned-container" class="vector-pinned-container"> </div> </nav> <nav class="vector-appearance-landmark" aria-label="Aspeto"> <div id="vector-appearance-pinned-container" class="vector-pinned-container"> <div id="vector-appearance" class="vector-appearance vector-pinnable-element"> <div class="vector-pinnable-header vector-appearance-pinnable-header vector-pinnable-header-pinned" data-feature-name="appearance-pinned" data-pinnable-element-id="vector-appearance" data-pinned-container-id="vector-appearance-pinned-container" data-unpinned-container-id="vector-appearance-unpinned-container" > <div class="vector-pinnable-header-label">Aspeto</div> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">mover para a barra lateral</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">ocultar</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">Origem: Wikipédia, a enciclopédia livre.</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="pt" dir="ltr"><p>Em <a href="/wiki/Qu%C3%ADmica_org%C3%A2nica" title="Química orgânica">química orgânica</a>, um <b>composto cíclico</b> é um <a href="/wiki/Composto_qu%C3%ADmico" title="Composto químico">composto</a> no qual uma série de <a href="/wiki/%C3%81tomo" title="Átomo">átomos</a> de <a href="/wiki/Carbono" title="Carbono">carbono</a> são conectados formando um laço ou anel.<sup id="cite_ref-1" class="reference"><a href="#cite_note-1"><span>[</span>1<span>]</span></a></sup> O <a href="/wiki/Benzeno" title="Benzeno">benzeno</a> é um exemplo bem conhecido. O termo "policíclico" é usado quando mais de um anel formam uma molécula como por exemplo no <a href="/wiki/Naftaleno" class="mw-redirect" title="Naftaleno">naftaleno</a>, e o termo <a href="/wiki/Macrociclo" title="Macrociclo">macrociclo</a> é usado para um anel contendo mais que uma dúzia de átomos. </p> <ul class="gallery mw-gallery-traditional"> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/Ficheiro:Benzol.svg" class="mw-file-description" title="Benzeno, um composto cíclico simples."><img alt="Benzeno, um composto cíclico simples." src="//upload.wikimedia.org/wikipedia/commons/thumb/d/da/Benzol.svg/105px-Benzol.svg.png" decoding="async" width="105" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/d/da/Benzol.svg/158px-Benzol.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/d/da/Benzol.svg/211px-Benzol.svg.png 2x" data-file-width="512" data-file-height="583" /></a></span></div> <div class="gallerytext">Benzeno, um composto cíclico simples.</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/Ficheiro:Naphthalene_200.svg" class="mw-file-description" title="Naftaleno, um composto policíclico simples."><img alt="Naftaleno, um composto policíclico simples." src="//upload.wikimedia.org/wikipedia/commons/thumb/7/75/Naphthalene_200.svg/120px-Naphthalene_200.svg.png" decoding="async" width="120" height="72" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/7/75/Naphthalene_200.svg/180px-Naphthalene_200.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/7/75/Naphthalene_200.svg/240px-Naphthalene_200.svg.png 2x" data-file-width="105" data-file-height="63" /></a></span></div> <div class="gallerytext">Naftaleno, um composto policíclico simples.</div> </li> <li class="gallerybox" style="width: 155px"> <div class="thumb" style="width: 150px; height: 150px;"><span typeof="mw:File"><a href="/wiki/Ficheiro:Porphyrin.svg" class="mw-file-description" title="Porfirina, um composto macrocíclico simples."><img alt="Porfirina, um composto macrocíclico simples." src="//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Porphyrin.svg/120px-Porphyrin.svg.png" decoding="async" width="120" height="120" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Porphyrin.svg/180px-Porphyrin.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/5/5c/Porphyrin.svg/239px-Porphyrin.svg.png 2x" data-file-width="725" data-file-height="727" /></a></span></div> <div class="gallerytext"><a href="/wiki/Porfirina" title="Porfirina">Porfirina</a>, um composto macrocíclico simples.</div> </li> </ul> <p>Uma <a href="/wiki/Rea%C3%A7%C3%A3o_qu%C3%ADmica" title="Reação química">reação química</a> <a href="/wiki/Rea%C3%A7%C3%A3o_org%C3%A2nica" title="Reação orgânica">orgânica</a> que forma um ciclo, ou seja, produz uma molécula cíclica a partir de um composto não cíclico, é chamada <b>reação de ciclização</b>. Um exemplo genérico para se entender tal tipo de reação seria a ciclização do <a href="/wiki/Hexano" title="Hexano">hexano</a> em <a href="/wiki/Cicloexano" title="Cicloexano">cicloexano</a>. Um exemplo de reação que produz ciclização é a <a href="/wiki/Condensa%C3%A7%C3%A3o_de_Dieckmann" title="Condensação de Dieckmann">condensação de Dieckmann</a>. </p> <h2 id="Referências" style="cursor: help;" title="Esta seção foi configurada para não ser editável diretamente. Edite a página toda ou a seção anterior em vez disso."><span id="Refer.C3.AAncias"></span>Referências</h2> <div class="reflist" style="list-style-type: decimal;"><div class="mw-references-wrap"><ol class="references"> <li id="cite_note-1"><span class="mw-cite-backlink"><a href="#cite_ref-1">↑</a></span> <span class="reference-text"><a href="/w/index.php?title=Jerry_March&amp;action=edit&amp;redlink=1" class="new" title="Jerry March (página não existe)">March, Jerry</a> (1985), <i>Advanced Organic Chemistry: Reactions, Mechanisms, and Structure</i> (3rd ed.), New York: Wiley, <a href="/wiki/Especial:Fontes_de_livros/0471854727" class="internal mw-magiclink-isbn">ISBN 0-471-85472-7</a></span> </li> </ol></div></div> <ul class="noprint navigation-box" style="border-top: solid silver 1px; border-right: solid silver 1px; border-bottom:1px solid silver; border-left: solid silver 1px; padding:3px; background-color: #F9F9F9; text-align: center; margin-top:10px; margin-left: 0; clear: both;"><li style="display: inline;"><span style="white-space: nowrap; margin: auto 1.5em"><span style="margin-right: 0.5em"><span typeof="mw:File"><a href="/wiki/Ficheiro:Sciences_exactes.svg" title="Portal da química"><img alt="" src="//upload.wikimedia.org/wikipedia/commons/thumb/3/37/Sciences_exactes.svg/25px-Sciences_exactes.svg.png" decoding="async" width="25" height="25" class="mw-file-element" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/3/37/Sciences_exactes.svg/38px-Sciences_exactes.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/3/37/Sciences_exactes.svg/50px-Sciences_exactes.svg.png 2x" data-file-width="256" data-file-height="256" /></a></span></span> <span style="font-weight:bold"><a href="/wiki/Portal:Qu%C3%ADmica" title="Portal:Química">Portal da química</a></span></span></li> </ul> <!-- NewPP limit report Parsed by mw‐web.eqiad.main‐64476968cd‐8blsz Cached time: 20241101203330 Cache expiry: 2592000 Reduced expiry: false Complications: [] CPU time usage: 0.041 seconds Real time usage: 0.058 seconds Preprocessor visited node count: 1112/1000000 Post‐expand include size: 2648/2097152 bytes Template argument size: 162/2097152 bytes Highest expansion depth: 9/100 Expensive parser function count: 0/500 Unstrip recursion depth: 0/20 Unstrip post‐expand size: 3212/5000000 bytes Number of Wikibase entities loaded: 0/400 --> <!-- Transclusion expansion time report (%,ms,calls,template) 100.00% 30.886 1 -total 71.87% 22.198 1 Predefinição:Portal3 64.05% 19.781 1 Predefinição:Portal3/Portais 27.86% 8.606 1 Predefinição:Referências 11.02% 3.404 1 Predefinição:Portal3/Suporte 4.95% 1.528 1 Predefinição:Esconder_link_para_editar_seção --> <!-- Saved in parser cache with key ptwiki:pcache:idhash:2616260-0!canonical and timestamp 20241101203330 and revision id 60056523. Rendering was triggered because: page-view --> </div><!--esi <esi:include src="/esitest-fa8a495983347898/content" /> --><noscript><img src="https://login.wikimedia.org/wiki/Special:CentralAutoLogin/start?type=1x1" alt="" width="1" height="1" style="border: none; position: absolute;"></noscript> <div class="printfooter" data-nosnippet="">Obtida de "<a dir="ltr" href="https://pt.wikipedia.org/w/index.php?title=Composto_cíclico&amp;oldid=60056523">https://pt.wikipedia.org/w/index.php?title=Composto_cíclico&amp;oldid=60056523</a>"</div></div> <div id="catlinks" class="catlinks" data-mw="interface"><div id="mw-normal-catlinks" class="mw-normal-catlinks"><a href="/wiki/Especial:Categorias" title="Especial:Categorias">Categorias</a>: <ul><li><a href="/wiki/Categoria:Qu%C3%ADmica_org%C3%A2nica" title="Categoria:Química orgânica">Química orgânica</a></li><li><a href="/wiki/Categoria:Compostos_c%C3%ADclicos" title="Categoria:Compostos cíclicos">Compostos cíclicos</a></li></ul></div><div id="mw-hidden-catlinks" class="mw-hidden-catlinks mw-hidden-cats-hidden">Categoria oculta: <ul><li><a href="/wiki/Categoria:!P%C3%A1ginas_que_usam_hiperliga%C3%A7%C3%B5es_m%C3%A1gicas_ISBN" title="Categoria:!Páginas que usam hiperligações mágicas ISBN">!Páginas que usam hiperligações mágicas ISBN</a></li></ul></div></div> </div> </main> </div> <div class="mw-footer-container"> <footer id="footer" class="mw-footer" > <ul id="footer-info"> <li id="footer-info-lastmod"> Esta página foi editada pela última vez às 20h39min de 20 de dezembro de 2020.</li> <li id="footer-info-copyright">Este texto é disponibilizado nos termos da licença <a rel="nofollow" class="external text" href="https://creativecommons.org/licenses/by-sa/4.0/deed.pt">Atribuição-CompartilhaIgual 4.0 Internacional (CC BY-SA 4.0) da Creative Commons</a>; pode estar sujeito a condições adicionais. Para mais detalhes, consulte as <a class="external text" href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Terms_of_Use">condições de utilização</a>.</li> </ul> <ul id="footer-places"> <li id="footer-places-privacy"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Privacy_policy/pt-br">Política de privacidade</a></li> <li id="footer-places-about"><a href="/wiki/Wikip%C3%A9dia:Sobre">Sobre a Wikipédia</a></li> <li id="footer-places-disclaimers"><a href="/wiki/Wikip%C3%A9dia:Aviso_geral">Avisos gerais</a></li> <li id="footer-places-wm-codeofconduct"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct">Código de conduta</a></li> <li id="footer-places-developers"><a href="https://developer.wikimedia.org">Programadores</a></li> <li id="footer-places-statslink"><a href="https://stats.wikimedia.org/#/pt.wikipedia.org">Estatísticas</a></li> <li id="footer-places-cookiestatement"><a href="https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Cookie_statement">Declaração sobre ''cookies''</a></li> <li id="footer-places-mobileview"><a href="//pt.m.wikipedia.org/w/index.php?title=Composto_c%C3%ADclico&amp;mobileaction=toggle_view_mobile" class="noprint stopMobileRedirectToggle">Versão móvel</a></li> </ul> <ul id="footer-icons" class="noprint"> <li id="footer-copyrightico"><a href="https://wikimediafoundation.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/static/images/footer/wikimedia-button.svg" width="84" height="29" alt="Wikimedia Foundation" loading="lazy"></a></li> <li id="footer-poweredbyico"><a href="https://www.mediawiki.org/" class="cdx-button cdx-button--fake-button cdx-button--size-large cdx-button--fake-button--enabled"><img src="/w/resources/assets/poweredby_mediawiki.svg" alt="Powered by MediaWiki" width="88" height="31" loading="lazy"></a></li> </ul> </footer> </div> </div> </div> <div class="vector-settings" id="p-dock-bottom"> <ul></ul> </div><script>(RLQ=window.RLQ||[]).push(function(){mw.config.set({"wgHostname":"mw-web.codfw.main-6df7948d6c-dzg2x","wgBackendResponseTime":161,"wgPageParseReport":{"limitreport":{"cputime":"0.041","walltime":"0.058","ppvisitednodes":{"value":1112,"limit":1000000},"postexpandincludesize":{"value":2648,"limit":2097152},"templateargumentsize":{"value":162,"limit":2097152},"expansiondepth":{"value":9,"limit":100},"expensivefunctioncount":{"value":0,"limit":500},"unstrip-depth":{"value":0,"limit":20},"unstrip-size":{"value":3212,"limit":5000000},"entityaccesscount":{"value":0,"limit":400},"timingprofile":["100.00% 30.886 1 -total"," 71.87% 22.198 1 Predefinição:Portal3"," 64.05% 19.781 1 Predefinição:Portal3/Portais"," 27.86% 8.606 1 Predefinição:Referências"," 11.02% 3.404 1 Predefinição:Portal3/Suporte"," 4.95% 1.528 1 Predefinição:Esconder_link_para_editar_seção"]},"cachereport":{"origin":"mw-web.eqiad.main-64476968cd-8blsz","timestamp":"20241101203330","ttl":2592000,"transientcontent":false}}});});</script> <script type="application/ld+json">{"@context":"https:\/\/schema.org","@type":"Article","name":"Composto c\u00edclico","url":"https:\/\/pt.wikipedia.org\/wiki\/Composto_c%C3%ADclico","sameAs":"http:\/\/www.wikidata.org\/entity\/Q66194","mainEntity":"http:\/\/www.wikidata.org\/entity\/Q66194","author":{"@type":"Organization","name":"Contribuidores dos projetos da Wikimedia"},"publisher":{"@type":"Organization","name":"Funda\u00e7\u00e3o Wikimedia, Inc.","logo":{"@type":"ImageObject","url":"https:\/\/www.wikimedia.org\/static\/images\/wmf-hor-googpub.png"}},"datePublished":"2010-02-17T06:31:06Z","dateModified":"2020-12-20T20:39:38Z","image":"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/d\/da\/Benzol.svg"}</script> </body> </html>

Pages: 1 2 3 4 5 6 7 8 9 10