Title of article :
Gallium(III) triflate-catalyzed [4+2+1] cycloadditions for the synthesis of novel 3,4-disubstituted-1,5-benzodiazepines
Author/Authors :
Jiang، نويسنده , , Yao-Jia and Cai، نويسنده , , Jing-Jing and Zou، نويسنده , , Jian-Ping and Zhang، نويسنده , , Wei، نويسنده ,
Abstract :
Gallium(III) triflate-catalyzed [4+2+1] cycloaddition of o-phenylenediamines and 2 equiv of alkynoate under solvent-free and ultrasonic irradiation conditions afforded novel 3,4-disubstituted-1,5-benzodiazepines in 82–90% yields.
