Samarium(III) catalyzed one-pot construction of coumarins

被引：107

作者：

Bahekar, SS

Shinde, DB ^{[1
]}

机构：

[1] Dr Babasaheb Ambedkar Marathwada Univ, Dept Chem Technol, Aurangabad 431004, Maharashtra, India

[2] Natl Cheang Kung Univ, Dept Chem, Tainan, Taiwan

来源：

TETRAHEDRON LETTERS | 2004年 / 45卷 / 43期

关键词：

coumarins; Pechmann condensation; Lewis acid catalysts;

D O I：

10.1016/j.tetlet.2004.09.013

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Samarium(III) nitrate hexahydrate as a catalyst is used as an alternative to conventional acid catalysts in the von Pechmann condensation of phenols with ethyl acetoacetate leading to the formation of coumarin derivatives. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：7999 / 8001

页数：3

共 27 条

[21] VINYL RADICALS . STEREOSELECTIVITY IN HYDROGEN ATOM TRANSFER TO EQUILIBRATED ISOMERIC VINYL RADICALS [J].