Heteropolyacid-silica mediated [3+2] cycloaddition of azomethine ylides - a facile multicomponent one-pot synthesis of novel dispiroheterocycles

被引：53

作者：

Babu, A. R. Suresh ^{[1
]}

Raghunathan, R. ^{[1
]}

机构：

[1] Univ Madras, Dept Chem, Madras 600025, Tamil Nadu, India

来源：

TETRAHEDRON LETTERS | 2006年 / 47卷 / 52期

关键词：

D O I：

10.1016/j.tetlet.2006.10.139

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

An efficient synthesis of dispiroindenoquinoxaline pyrrolizidine derivatives has been expediently accomplished by a one-pot four component 1,3-dipolar cycloaddition reaction. High regioselectivity was achieved using heteropolyacid H-4[Si(W3O10)(3)]-silica as a catalyst. X-ray diffraction studies of one of the cycloadducts proved the structure and regiochemistry of the cycloadduct. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：9221 / 9225

页数：5

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