1-nitro-2-naphthyl trifluoromethanesulfonate 、
N-Boc-间苯二胺 、 5-[4-(2,3-dimethylbenzoylamino)-3-fluorophenyl]-1H-naphtho[1,2-b][1,4]diazepine-2,4(3H,5H)-dione 、 5-[4-(aminomethyl)phenyl]-1H-naphtho[2,1-b][1,4]diazepine-2,4(3H,5H)-dione 以the title compound (1.02 g, yield 17%) was obtained as brown crystals in the same manner as that of Example 1, (1), (2) and (3)的产率得到5-(3-aminophenyl)-1H-naphtho[1,2-b][1,4]diazepine-2,4(3H,5H)-dione