Alkynylation of α-halocarbonyl compounds—a Stille-type cross-coupling for the formation of C(sp)–C(sp<sup>3</sup>) bonds under neutral conditions
作者:Wei Shi、Chao Liu、Zai Yu、Aiwen Lei
DOI:10.1039/b703221h
日期:——
A direct alkynylation of readily available α-halo esters and amides with high yields is described herein; a distinct switch from diyne formation to alkynylation products was attained under neutral conditions.