N-[4-(Piperazin-1-yl)phenyl]-(2-chloro-5-nitrophenyl)carboxamide 、 N-[(4-piperazin-1-yl)phenyl]-(2-chloro-5-nitrophenyl)carboxamide di-hydrochloride 、
三甲基硅基异氰酸酯 以
四氢呋喃 为溶剂,
以84%的产率得到N-[4-[(4-aminocarbonyl)piperazin-1-yl]phenyl]-(2-chloro-5-nitrophenyl)carboxamide