反应详情

Starting from 1-phenyl 8-chloro 1,2,4,5-tetrahydro 2,4-dioxo 3H-1,5-benzodiazepine (obtained according to the example XI) and from a methyl halide, and operating according to the example X, there is obtained 1-phenyl 5-methyl 8-chloro 1,2,4,5-tetrahydro 2,4-dioxo 3H-1,5-benzodiazepine, melting at 166°-168° C after recristallisation in 50% ethanol.

1. customobtained