Pd-catalyzed Negishi coupling of pyrazole triflates with alkyl zinc halides
作者:Ting Zhang、Xiaodi Gao、Harold B. Wood
DOI:10.1016/j.tetlet.2010.11.037
日期:2011.1
A mild, functional group tolerant palladium-catalyzed Negishi coupling of pyrazole triflates and nonaflates with alkyl, benzyl, and aryl zinc halides has been developed. It allows quick access to 3-substituted pyrazole analogs at late stage via common synthetic intermediates.