An Efficient Synthesis of 3H-1,5-Benzodiazepine Derivatives Catalyzed by Heteropolyacids as a Heterogeneous Recyclable Catalyst
作者:Majid M. Heravi、Samaheh Sadjadi、Hossein A. Oskooie、Rahim Hekmatshoar、Fatemeh F. Bamoharram
DOI:10.1002/jccs.200800125
日期:2008.8
3H-1,5-benzodiazepines were synthesized by the condensation of o-phenylendiamine and various 1,3-diketones in the presence of various heteropolyacid (HPA) catalysts under mild conditions in very good yields and with high selectivity.