In(OTf)3-Catalyzed Synthesis of Functionalized 1,5-Benzodiazepines from o-Phenylenediamine and Alkyl Propiolates under Solvent-Free Reaction Conditions
作者:Haisheng Wu、Jin Yang、Lei Wang
DOI:10.1002/cjoc.201180307
日期:2011.8
environmental‐friendly, and practical method for the synthesis of benzodiazepine derivatives through a reaction of substituted o‐phenylenediamines with alkylpropiolates has been developed. The reactions generated the 1,5‐benzodiazepines in good to excellent yields in the presence of catalytic amount of In(OTf)3 under solvent‐free reactionconditions.