gadolinium(III) chloride hexahydrate 、
2-[4,8-Bis(carboxymethyl)-11-[2-oxo-2-[(4-sulfamoylphenyl)methylamino]ethyl]-1,4,8,11-tetrazacyclotetradec-1-yl]acetic acid 在
NaOH 作用下,
以
水 为溶剂,
以99%的产率得到2-[4,8-Bis(carboxylatomethyl)-11-[2-oxo-2-[(4-sulfamoylphenyl)methylamino]ethyl]-1,4,8,11-tetrazacyclotetradec-1-yl]acetate;gadolinium(3+)