A facile synthesis of γ-butenolides via cyclization of 3-alkenoic acids with dimethyl sulfoxide and oxalyl bromide
作者:Rui Ding、Yongguo Liu、Lei Liu、Huimin Li、Sichen Tao、Baoguo Sun、Hongyu Tian
DOI:10.1080/00397911.2019.1652914
日期:——
Abstract The combination of dimethyl sulfoxide and oxalyl bromide was used to accomplish the cyclization of 3-alkenoic acids with the aid of a base to afford γ-butenolides, in which bromodimethylsulfonium salt generated in situ was proposed to serve as a Br+ source. GRAPHICAL ABSTRACT
摘要 利用二甲基亚砜和草酰溴的组合,在碱的帮助下完成3-链烯酸的环化反应,得到γ-丁烯内酯,其中原位生成的溴二甲基锍盐作为Br+源。图形概要