Phosphine triggered [3+2] allenoate-acrylate annulation: a mechanistic enlightenment

被引:172
作者
Mercier, Evan
Fonovic, Branden
Henry, Chris
Kwon, Ohyun [1 ]
Dudding, Travis
机构
[1] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA
[2] Brock Univ, Dept Chem, St Catharines, ON L2S 3A1, Canada
基金
美国国家卫生研究院; 加拿大自然科学与工程研究理事会; 加拿大创新基金会;
关键词
D O I
10.1016/j.tetlet.2007.03.030
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
A mechanistic study of phosphine-mediated [3+2] annulation of allenoate and acrylate is presented. The insight gained has identified that (1) [3+2] cycloaddition proceeds through a stepwise mechanism and (2) the involvement of a molecule of water, which services as a proton-shuttle, is essential for annulated product formation. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:3617 / 3620
页数:4
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