5-Cyclohexyl-1,3-dihydro-1-methyl-3(R,S)-[(4-nitrophenyloxycarbonyl)amino]-2H-1,4-benzodiazepin-2-one 、
三乙胺 、
1-(Trifluoromethylcarbonylaminosulphonyl)-3-amino benzene 在
N-[3(R,S)-5-Cyclohexyl-2,3-dihydro-1-methyl-2-oxo-1H-1,4-benzodiazepin-3-yl] N'-[3-(trifiuoromethylcarbonylaminosulphonyl) phenyl]urea 、 silica gel 、
methanol-dichloromethane 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以This afforded the title compound (60 mg, 9%) as a pale beige solid的产率得到N-[3(R,S)-5-Cyclohexyl-2,3-dihydro-1-methyl-2-oxo-1H-1,4-benzodiazepin-3-yl] N'-[3-(trifiuoromethylcarbonylaminosulphonyl) phenyl]urea