https://arolstar52-zhtest.hf.space/index.php?action=history&feed=atom&title=SIMes 2026-07-04T07:08:23Z 在这个wiki上该页的修订历史 MediaWiki 1.43.8 https://arolstar52-zhtest.hf.space/index.php?title=SIMes&diff=4127953&oldid=prev 2024-05-07T03:50:27Z

<p></p> <p><b>新页面</b></p><div>{{Chembox<br /> |Name = 1,3-双(2,4,6-三甲基苯基)-四氢咪唑-2-亚基<br /> |ImageFile = SIMes.png<br /> |IUPACName = 1,3-双(2,4,6-三甲基苯基)-4,5-二氢咪唑-2-亚基<br /> |OtherNames = {{ubl|IMesH&lt;sub&gt;2&lt;/sub&gt;|H&lt;sub&gt;2&lt;/sub&gt;IMes|1,3-二荚基咪唑-4,5-二氢-2-亚基|1,3-双(2,4,6-三甲基苯基)-2-四氢咪唑叉亚基{{NoteTag|旧称}}}}<br /> |Section1={{Chembox Identifiers<br /> | CASNo = 173035-11-5<br /> | CASNo_Ref = {{cascite|correct|CAS}}<br /> | PubChem = 11228257<br /> | ChemSpiderID = 9403305<br /> | SMILES =Cc1cc(C)c(c(C)c1)N2CCN([C]2)c3c(C)cc(C)cc3C }}<br /> |Section2={{Chembox Properties<br /> |C=21 | H=26 | N=2<br /> | MeltingPt = {{convert|79 - 85|C|F K}}<br /> }}<br /> }}<br /> <br /> &#039;&#039;&#039;SIMes&#039;&#039;&#039;（或称&#039;&#039;&#039;H&lt;sub&gt;2&lt;/sub&gt;IMes&#039;&#039;&#039;）是一种[[稳定卡宾|氮杂环卡宾]]，在室温下是白色固体，可溶于有机溶剂。该化合物被用作[[有机金属化学]][[配体]]，如[[格拉布催化剂]]。母体[[杂环]]为饱和的[[咪唑啉啶]]（S代表饱和），与之结构相似的{{le|IMes}}是更常用的配体，不过SIMes的灵活性更好&lt;ref&gt;{{cite book|first=Steven P.|last=Nolan|title=N-Heterocyclic Carbenes in Synthesis|publisher=Wiley-VCH|date=2006|isbn=978-3-527-60940-6}}&lt;/ref&gt;。SIMes可以通过三甲基苯胺对[[1,2-二溴乙烷]]的&#039;&#039;N,N&#039;&#039;-双烷基化，并进行闭环、[[脱氢]]等过程得到其鎓盐&lt;ref&gt;{{Cite web|url=http://www.nature.com/protocolexchange/protocols/2488#/procedure|title=Synthesis of 1,3–bis(2,4,6–trimethylphenyl)–imidazolinium salts : SIMes.HCl, SIMes.HBr, SIMes.HBF4 and SIMes.HPF6. : Protocol Exchange|website=www.nature.com|language=en|access-date=2017-09-25|archive-date=2017-02-02|archive-url=https://web.archive.org/web/20170202011052/http://www.nature.com/protocolexchange/protocols/2488#/procedure|dead-url=no}}&lt;/ref&gt;。<br /> <br /> == 脚注 ==<br /> {{NoteFoot}}<br /> <br /> == 参考文献 ==<br /> {{reflist}}<br /> <br /> {{Aromatic-stub}}<br /> [[Category:卡宾]]</div>

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