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Synthesis 2004(16): 2673-2677
DOI: 10.1055/s-2004-831242
DOI: 10.1055/s-2004-831242
PAPER
© Georg Thieme Verlag Stuttgart · New York
Environmentally Benign Preparation of Heteroaromatics from Ketones or Alcohols, with Macroporous Polystyrenesulfonic Acid and (Diacetoxyiodo)benzene, Followed by Thioamide, Amidine, and 2-Aminopyridine
Further Information
Received
2 June 2004
Publication Date:
22 September 2004 (online)
Publication History
Publication Date:
22 September 2004 (online)
Abstract
An operationally simple, efficient, and environmentally benign preparation of heteroaromatics such as thiazoles, imidazoles, and imidazo[1,2-a]pyridines from the reactions of a polymer-supported [hydroxy(sulfonyloxy)iodo]benzene (2) with ketones or alcohols, followed by treatment with thioamides, benzamidine, and 2-aminopyridine, respectively, in the presence of potassium carbonate were successfully carried out.
Key Words
heterocycles - alcohols - ketones - thiazole - imidazole - pyridines
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