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Cobalt(III)-Catalyzed Redox-Neutral Coupling of Acrylamides with Activated Alkenes via C–H Bond Activation
Synthesis ( IF 2.2 ) Pub Date : 2020-03-30 , DOI: 10.1055/s-0039-1690866
Masilamani Jeganmohan 1 , Meledath Sudhakaran Keerthana , Ramasamy Manoharan
Affiliation  

A cobalt(III)-catalyzed coupling of substituted acrylamides with maleimides in the presence of 30 mol% pivalic acid providing olefin-migrated succinimide derivatives in a redox-neutral manner is described. The coupling reaction was examined with various substituted acrylamides and maleimides. The scope of the C–H alkylation reaction was also examined with substituted acrylates. A possible reaction mechanism involving a five-membered cobaltocycle as a key intermediate is proposed.

中文翻译:

钴(III)通过C–H键活化将丙烯酰胺与活化的烯烃进行氧化还原-中性偶联

描述了在30mol%新戊酸存在下钴(III)催化的取代的丙烯酰胺与马来酰亚胺的偶联,以氧化还原中性的方式提供了烯烃迁移的琥珀酰亚胺衍生物。用各种取代的丙烯酰胺和马来酰亚胺检查偶联反应。还用取代的丙烯酸酯检查了CH烷基化反应的范围。提出了一种可能的以五元钴环为关键中间体的反应机理。
更新日期:2020-04-21
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