11-(3-chloro-1-oxopropyl)-5,11-dihydro-6H-pyrido<2,3-b><1,4>benzodiazepin-6-one 、
1-(2-甲基-丙-2-烯-1-基)-哌嗪 以to obtain a 45% yield of 5,11-dihydro-11-{3-[4-(2-methyl-allyl)-1-piperazinyl]-propionyl}-6H-pyrido-[2,3-b][1,4]-benzodiazepine-6-one melting at 210°-211° C.的产率得到5,11-dihydro-11-{3-[4-(2-methyl-allyl)-1-piperazinyl]-propionyl}-6H-pyrido-[2,3-b][1,4]-benzodiazepine-6-one