Regioselective synthesis of polyheterocyclic scaffolds by sequential [3,3] sigmatropic Rearrangements and pyridine hydrotribromide mediated heterocyclization

被引：1

作者：

Majumdar, K. C. ^{[1
]}

Muhuri, S. ^{[1
]}

机构：

[1] Univ Kalyani, Dept Chem, Kalyani 741235, W Bengal, India

来源：

JOURNAL OF HETEROCYCLIC CHEMISTRY | 2007年 / 44卷 / 05期

关键词：

D O I：

10.1002/jhet.5570440521

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A number of tetracyclic polyhetero scaffolds have been regio selectively synthesised in 70-75% yield from 4-[(3-aryloxy-2-propynyl)cixy]-6-methyl-pyran-2-ones via thionation of the lactone carbonyl, sequential Claisen rearrangements and pyridine hydrotribromide mediated heterocyclization.

引用

页码：1109 / 1114

页数：6

共 31 条

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