Palladium-Catalyzed Domino C–S Coupling/Carbonylation Reactions: An Efficient Synthesis of 2-Carbonylbenzo[<i>b</i>]thiophene Derivatives
作者:Fanlong Zeng、Howard Alper
DOI:10.1021/ol200880m
日期:2011.6.3
A facile and selective palladium-catalyzeddomino procedure has been developed for the preparation of 2-carbonylbenzo[b]thiophene derivatives from 2-gem-dihalovinylthiophenols. This protocol involves intramolecular C–S coupling/intermolecular carbonylation cascade sequences and allows access to various highly functionalized benzo[b]thiophenes in moderate yields.
一种简便的和选择性的钯催化的多米诺程序已被开发用于2- carbonylbenzo [制备b ]从2-噻吩衍生物宝石-dihalovinylthiophenols。该方案涉及分子内C–S偶联/分子间羰基化级联序列,并允许以中等收率获得各种高度官能化的苯并[ b ]噻吩。