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Synthesis of 3-Carboxycoumarins from O-Methoxybenzylidene Meldrum's Acid Derivatives

 

作者: Verónica Armstrong,   Oriana Soto,   JaimeA. Valderrama,   Ricardo Tapia,  

 

期刊: Synthetic Communications  （Taylor Available online 1988）
卷期: Volume 18, issue 7  

页码: 717-725

 

ISSN:0039-7911

 

年代: 1988

 

DOI:10.1080/00397918808077361

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

Reaction of o-methoxybenzaldehydes with Meldrum's acid followed by cyclization in sulfuric acid of the benzylidene derivatives3a-gaffords 3-carboxycoumarins in excellent yields.

 

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