Efficient and regioselective nickel-catalyzed [2 + 2 + 2] cyclotrimerization of ynoates and related alkynes
作者:Sanjeewa K. Rodrigo、Israel V. Powell、Michael G. Coleman、Jeanette A. Krause、Hairong Guan
DOI:10.1039/c3ob41872c
日期:——
A nickel-based catalytic system has been developed for [2 + 2 + 2] cyclotrimerization of various alkynes, especially ynoates. This catalytic system enables facile construction of substituted aromatic compounds in excellent yields with high regioselectivity.