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Communication | Regular issue | Vol 55, No. 8, 2001, pp.1443-1446
Published online, 1st January, 1970
DOI: 10.3987/COM-01-9253
■ Alumina/Phosphorus Pentoxide (APP) as an Efficient Reagent for the Synthesis of 1,5-Benzodiazepines under Microwave Irradiation

Babak Kaboudin* and Kian Navaee

*Ministry of Science Research and Technology, Institute for Advanced Studies in Basic Sciences, Gava Zang, Zanjan 45195-159, Iran

Abstract

Alumina-supported phosphorus pentoxide was found to be an efficient reagent for the synthesis of 1, 5-benzodiazepine derivatives from phenylenediamine and ketones in the solvent-free condition under microwave irradiation. This method is an easy, rapid, and high-yielding reaction for the synthesis of 1, 5-bezodiazepines.