One-pot synthesis of sterically congested phosphorus ylides

被引：9
|
作者：
Yavari, I [1 ]
Islami, MR [1 ]
机构：
[1] Tarbiat Modarres Univ, Dept Chem, Tehran, Iran
来源：
PHOSPHORUS SULFUR AND SILICON AND THE RELATED ELEMENTS | 1997年 / 130卷
关键词：
stabilized ylides; triphenylphosphine; acetylenic esters; CH-acids;
D O I：
10.1080/10426509708033713
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Protonation of the reactive 1:1 intermediates produced in the reaction between triphenylphosphine and dialkyl acetylenedicarboxylates by 1,3-diphenylpropane-1,3-dione leads to vinylphosphonium salts, which undergo Michael addition with the conjugate base of the CH-acid to produce highly functionalized salt-free phosphorus ylides in excellent yields.
引用
收藏
页码：229 / 233
页数：5
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