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Indolizine synthesis via copper-catalyzed cyclization of gem-difluoroalkenes and 2-(pyridin-2-yl)acetate derivatives†
Xin Yu,Yu-Ting Chen,Qing-Bao Song,Hong Wang
Organic Chemistry Frontiers Pub Date : 07/17/2020 00:00:00 , DOI:10.1039/D0QO00553C
Abstract

A novel and versatile approach to construct substituted indolizines through copper-catalyzed coupling cyclization of 2-(pyridin-2-yl)acetate with gem-difluoroalkenes has been developed. This method takes advantage of the cleavage of C–F bonds, providing a straightforward and efficient access to a variety of bisubstituted indolizine derivatives in moderate to good yields with brilliant functional group compatibility.

Graphical abstract: Indolizine synthesis via copper-catalyzed cyclization of gem-difluoroalkenes and 2-(pyridin-2-yl)acetate derivatives
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