Benzyl 2-[11-[(4-nitrophenyl)methyl]-4,8-bis(2-oxo-2-phenylmethoxyethyl)-1,4,8,11-tetrazacyclotetradec-1-yl]acetate 在
palladium on activated charcoal
sodium hydroxide 、
氢气 作用下,
以
甲苯 为溶剂,
以80%的产率得到2-[11-[(4-Aminophenyl)methyl]-4,8-bis(carboxymethyl)-1,4,8,11-tetrazacyclotetradec-1-yl]acetic acid