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Catalytic Isomerization of Unprotected Mesoionic N-Heterocyclic Olefins and Their Lewis Adducts
European Journal of Organic Chemistry ( IF 2.5 ) Pub Date : 2022-06-14 , DOI: 10.1002/ejoc.202200539
Zheng-Wang Qu 1 , Hui Zhu 2 , Rainer Streubel 3 , Stefan Grimme 2
Affiliation  

Extensive DFT calculations show that the isomerization of C5-unprotected mesoionic N-heterocyclic olefins (mNHOs) to more Lewis basic mesoionic carbenes (MICs) can be efficiently catalyzed by weakly protic acidic species including unprotected mNHO, MIC, their Lewis adducts and polar H2O molecules, thus enabling catalytic isomerization and H-isotope exchange reactions of such mNHOs and their Lewis adducts.

中文翻译:

无保护介离子N-杂环烯烃及其路易斯加合物的催化异构化

广泛的 DFT 计算表明,C 5 -未保护的中间离子N-杂环烯烃 ( mNHO ) 异构化为更多的路易斯碱性中间离子卡宾 (MIC) 可以被弱质子酸性物质有效催化,包括未保护的 mNHO、MIC、它们的路易斯加合物和极性 H 2 O 分子,从而使此类 mNHO 及其路易斯加合物能够进行催化异构化和 H-同位素交换反应。
更新日期:2022-06-14
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