tert-butyl 4-[4-(5-chloro-2-nitrophenoxy)phenyl]piperazine-1-carboxylate 在
palladium-carbon silica gel 作用下,
以
乙酸乙酯 为溶剂,
以to give a crystal of tert-butyl 4-[4-(2-amino-5-chlorophenoxy)phenyl]piperazine-1-carboxylate (4.0 g, 76%)的产率得到tert-butyl 4-[4-(2-amino-5-chlorophenoxy)phenyl]piperazine-1-carboxylate