Synlett

One-pot synthesis of pyridines or pyrimidines by tandem oxidation-heteroannulation of propargylic alcohols

MC Bagley, DD Hughes, HM Sabo, PH Taylor…

Index: Bagley, Mark C.; Hughes, David D.; Sabo, Halima M.; Taylor, Paul H.; Xiong, Xin Synlett, 2003 , # 10 p. 1443 - 1446

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Citation Number: 42

Abstract

Abstract Pyridines and pyrimidines are prepared in a single step from propargylic alcohols by in situ oxidation with o-iodoxybenzoic acid or manganese dioxide and reaction with enamines or amidines, respectively, under either thermal or microwave-assisted conditions in a new one-pot tandem oxidation-heteroannulation procedure. The reaction of α β- ketoester, propargylic alcohol and ammonium acetate, with in situ oxidation, constitutes a ...

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