Preparation of Benzonitrile by Dehydration of Benzamide with Phosphorus Pentoxide in Microwave Medium

Page: 1079

J. Sauliova and R. Zmija

Department of Chemistry, Pedagogical Faculty, J. E. Purkyne University, Usti nad Labem

 

Dehydration of benzamide to benzonitrile with phosphorus pentoxide in a microwave reactor for 1 2.5 min gave high yields (90 %) of benzonitrile. Microwave heating led to a significant acceleration of the reaction compared with classic heating.

 

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