Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5291969 | Tetrahedron Letters | 2006 | 6 Pages |
Abstract
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 β-oxygenation of Bi(III)-enolized benzylideneacetophenone followed by Michael addition, heteroannulation with simultaneous retro aldol disproportionation and subsequent catalytic oxidation and dehydration.
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Physical Sciences and Engineering
Chemistry
Organic Chemistry
Authors
Anil Kumar, Summon Koul, Tej K. Razdan, Kamal K. Kapoor,