Vinylphosphonium salt mediated facile synthesis of trialkyl 4-(2-quinolyl)-1-cyclobutene-1,2,3-tricarboxylates and dialkyl 3-ethoxy-4-oxo-5-(2-(1H)-quinolinylidene)-2-cyclopentene-1,2-dicarboxylates

被引：16
|
作者：
Yavari, I [1 ]
Adib, M
Esnaashari, M
机构：
[1] Univ Tarbiat Modarres, Dept Chem, Tehran, Iran
[2] Islamic Azad Univ, Dept Chem Sci, Tehran, Iran
来源：
MONATSHEFTE FUR CHEMIE | 2001年 / 132卷 / 12期
关键词：
quinolines; cyclobutenes; cyclopentenones; triphenylphosphine; acetylenic esters;
D O I：
10.1007/s007060170013
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The reactive 1:1 intermediate produced in the reaction between dialkyl acetylenedicarboxylates and triphenylphosphine was trapped by ethyl 3-(1,2-dihydroquinoline-2-ylidene)-pyruvate to yield the isomeric dialkyl 3-ethoxy-4-oxo-5-(2-(1H)-quinolinylidene)-2-cyclopentene-1,2-dicarboxylates and trialkyl 4-(2-quinolyl)-1- cyclobutene-1,2,3-tricarboxylates in nearly 4:1 ratio.
引用
收藏
页码：1557 / 1561
页数：5
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