Convenient preparative methods forN‐aryl‐γ‐pyridones from γ‐pyrones
作者:
James H. Looker,
Michael D. Cliffton,
期刊:
Journal of Heterocyclic Chemistry
(WILEY Available online 1986)
卷期:
Volume 23,
issue 1
页码: 5-8
ISSN:0022-152X
年代: 1986
DOI:10.1002/jhet.5570230102
出版商: Wiley‐Blackwell
数据来源: WILEY
摘要:
Abstract2‐Hydroxymethyl‐5‐methoxy‐4‐H‐pyran‐4‐one (1) reacts with aniline and six aniline derivatives in very dilute aqueous hydrochloric acid at reflux temperature to give theN‐aryl‐γ‐pyridone. A second procedure utilizes the aromatic amine hydrochloride by reacting it with1in aqueous medium at reflux temperature.p‐Nitroaniline hydrochloride and1give theN‐aryl‐γ‐pyridone in 65% yield, as opposed to 12%
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