Palladium-catalyzed direct alkynylation of thiophenes with halosilylacetylenes
作者:Hayate Kato、Naofumi Tsukada
DOI:10.1016/j.tetlet.2021.152869
日期:2021.3
Silylethynylthiophenes were obtained from palladium-catalyzedalkynylation of various thiophenes with 1-halo-2-silylacetylenes. The α-position of thiophenes was alkynylated with high regioselectivity. The terminal silyl groups of products could be replaced by several functional groups.