Ammonium Metavanadate: A Mild and Efficient Catalyst for the Synthesis of Coumarins

A mild and efficient method has been developed for condensation of substituted phenol with ${\beta}$-ketoester in the presence of catalytic amount of ammonium metavanadate (10 mol%) at ambient temperature to afford the corresponding substituted 4-methyl-2H-chromen-2-one in high yields under mild con...

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Published inBulletin of the Korean Chemical Society Vol. 30; no. 12; pp. 2969 - 2972
Main Authors Mandhane, Priyanka G, Joshi, Ratnadeep S, Ghawalkar, Anant R, Jadhav, Ganesh R, Gill, Charansingh H
Format Journal Article
LanguageKorean
Published 2009
Subjects
{\beta}$-Ketoester Pechmann condensation
Ammonium metavanadate
4-Methyl-2H-chromen-2-one
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Summary:A mild and efficient method has been developed for condensation of substituted phenol with ${\beta}$-ketoester in the presence of catalytic amount of ammonium metavanadate (10 mol%) at ambient temperature to afford the corresponding substituted 4-methyl-2H-chromen-2-one in high yields under mild conditions. Utilization of commercially available inexpensive catalyst makes this manipulation very interesting from an economic perspective.
Bibliography:KISTI1.1003/JNL.JAKO200902727440246
ISSN:0253-2964
1229-5949