Title of article
Vilsmeier–Haack reactions of carbonyl compounds: synthesis of substituted pyrones and pyridines
Author/Authors
Ajith Dain Thomas، نويسنده , , Josemin، نويسنده , , C.V Asokan، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2004
Pages
8
From page
5069
To page
5076
Abstract
Vilsmeier–Haack reaction of substituted phenylacetones leads to the formation of conjugated iminium salts which on aqueous basic work up afford 3-formyl-4-pyrones and on ammonium acetate-induced cyclization afford 5-aryl-4-chloronicotinaldehydes in good yields.
Keywords
Iminoalkylations , Iminium salts , Aryl acetones , Pyridines , pyrones , Vilsmeier–Haack reagents
Journal title
Tetrahedron
Serial Year
2004
Journal title
Tetrahedron
Record number
1085675
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