Synthesis of β-halobutenolides and their Pd(0)/CuI-catalyzed cross-coupling reactions with terminal alkynes. A general route to β-(1′-alkynyl)butenolides
作者:Shengming Ma、Zhangjie Shi、Zhanqian Yu
DOI:10.1016/s0040-4039(99)00275-0
日期:1999.3
A new procedure for the efficient synthesis of beta-halobutenolides was developed. The Pd(0)-catalyzed coupling reactions of beta-halobutenolides with terminal alkynes to afford beta-substituted butenolides are described. (C) 1999 Elsevier Science Ltd. All rights reserved.