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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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