A new and convenient one-pot solid supported synthesis of 2,4,6-triarylpyridines

被引：37
|
作者：
Kumar, A [1 ]
Koul, S [1 ]
Razdan, TK [1 ]
Kapoor, KK [1 ]
机构：
[1] Univ Jammu, Dept Chem, Jammu 180006, India
来源：
TETRAHEDRON LETTERS | 2006年 / 47卷 / 05期
关键词：
Bi(III) nitrate-alumina; benzylideneacetophenones; urea; thiourea and their derivatives; solid-supported synthesis; 2,4,6-triarylpyridines;
D O I：
10.1016/j.tetlet.2005.11.043
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A new, convenient, efficient and cost-effective one-pot solid supported synthesis of 2.4.6-triarylpyridines from benzylideneacetophenones and urea, thiourea or their derivatives, using Bi(III) nitrate-Al2O3 is described. The reaction seems to proceed via beta-oxygenation of Bi(III)-enolized benzylideneacetophenone followed by Michael addition, heteroannulation with simultaneous retro aldol disproportionation and subsequent catalytic oxidation and dehydration. (c) 2005 Published by Elsevier Ltd.
引用
收藏
页码：837 / 842
页数：6
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