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

页码：1557 / 1561

页数：5

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