Studies on the Wittig reaction .22. A convenient synthesis of omega-azolylalkyltriphenyl phosphonium salts and their stereoselectivity in the Wittig reaction

被引:5
作者
Ding, MW [1 ]
Shi, DQ [1 ]
Xiao, WJ [1 ]
Huang, WF [1 ]
Wu, TJ [1 ]
机构
[1] CENT CHINA NORMAL UNIV,CTR ANAL & TESTING,WUHAN 430070,PEOPLES R CHINA
来源
PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS | 1995年 / 102卷 / 1-4期
关键词
Wittig reaction; azole; phosphonium; stereoselectivity; omega-azolyl alkene; synthesis;
D O I
10.1080/10426509508042543
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
omega-Azolylalkyltriphenylphosphonium bromides (5) were readily prepared from corresponding omega-bromo phosphonium salts (4) and azoles. The Wittig reactions of (5) with aromatic aldehydes were studied and 26 omega-azolyl alkenes were obtained. The reaction showed E-stereoselectivity.
引用
收藏
页码:59 / 63
页数:5
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