Regioselective synthesis of pentacyclic heterocycles by the thermal and Lewis acid catalyzed Claisen rearrangement

被引：4

作者：

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

Pal, A. K. ^{[1
]}

机构：

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

来源：

JOURNAL OF SULFUR CHEMISTRY | 2009年 / 30卷 / 05期

关键词：

Claisen rearrangement; Lewis acid catalysis; pyridine hydrotribromide; regioselectivity; NUCLEAR MAGNETIC-RESONANCE; ORTHO-CYCLOHEXENYL PHENOLS; SIGMATROPIC REARRANGEMENT; CYCLIZATION; ESTERS;

D O I：

10.1080/17415990902725709

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

[6,6]- and [6,5]-fused hithero unreported pentacyclic heterocycles have been regioselectively synthesized from 4-(4'-aryloxybut-2'-ynylthio)thiocoumarin in good yields by the application of thermal as well as catalytic Claisen rearrangement.

引用

页码：481 / 489

页数：9

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