A facile synthesis of stable heterocyclic fused ring phosphorus ylides

被引：0

作者：

Maghsoodlou, MT ^{[1
]}

Hazeri, N ^{[1
]}

Khorasani, SMH ^{[1
]}

Afshari, G ^{[1
]}

Nassiri, M ^{[1
]}

机构：

[1] Univ Sistan, Dept Chem, Zahedan, Iran

来源：

JOURNAL OF CHEMICAL RESEARCH-S | 2005年 / 11期

关键词：

acetylenic ester; NH-acid; stable phosphorus ylide; triphenylphosphine;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Stable crystalline phosphorus ylides were obtained in excellent yields from the 1:11 addition reaction between triphenylphosphine, dialkyl acetylenedicarboxylates, and strong NH-acids, such as 7-azaindole. These stabilised phosphoranes exist as a mixture of two geometrical isomers as a result of restricted rotation around the carbon-carbon partial double bond resulting from conjugation of the ylide moiety with the adjacent carbonyl group.

引用

页码：727 / 728

页数：2

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