咪唑并[1,2- a ]吡啶在C-3上通过铜(I)催化的C–H键官能化与芳基碘化物,溴化物和三氟甲磺酸酯直接芳构化
摘要:
开发了一种方便的方法,用于铜(I)催化的取代的咪唑并[1,2- a ]吡啶的芳基化。该方法适用于各种芳基亲电试剂,包括溴化物,碘化物和三氟甲磺酸酯。它代表了通过Cu(I)催化C-3取代的咪唑并[1,2- a ]吡啶的C-3芳构化的第一个通用方法,该反应构建了各种功能化的咪唑并[1,2- a ]吡啶的核π系统。
Rhodium-Catalyzed Highly Regioselective C-H Arylation of Imidazo[1,2-a]pyridines with Aryl Halides and Triflates
作者:Yi Liu、Lin He、Guoqiang Yin、Guojie Wu、Yingde Cui
DOI:10.5012/bkcs.2013.34.8.2340
日期:2013.8.20
Accepted May 13, 2013A convenient Rh-catalyzed C-H arylation of imidazo[1,2-a]pyridines with a variety of aryl halides or triflateshas been reported. This process afforded a range of biaryl compounds in excellent yields and showed highactivity and broad scope. Key Words : Rhodium catalyst, Aryl halides, Regioselective arylation, Imidazo[1,2- a]pyridines, TriflatesIntroductionHeteroaromatics bearing aryl-heteroaryl