CuBr2-mediated direct aqueous bromolactonization of 2,3-allenoates.: An efficient access to β-bromobutenolides

被引：64
作者：
Ma, SM [1 ]
Wu, SL [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Organ Chem, State Key Lab Organomet Chem, Shanghai 200032, Peoples R China
来源：
TETRAHEDRON LETTERS | 2001年 / 42卷 / 24期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/S0040-4039(01)00634-7
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
An efficient procedure for the synthesis of beta -bromobutenolides was developed. 2,3-Allenoates with different substitution patterns react with CuBr2 in aqueous ethanol at 80-85 degreesC to afford the corresponding beta -bromobutenolides in moderate to excellent yields (up to 97%). (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：4075 / 4077
页数：3
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