gadolinium(III) chloride hexahydrate 、
2-[4,7-Bis(carboxymethyl)-10-[2-oxo-2-[2-(4-sulfamoylphenyl)ethylamino]ethyl]-1,4,7,10-tetrazacyclododec-1-yl]acetic acid 在
NaOH 作用下,
以
水 为溶剂,
以99%的产率得到2-[4,7-Bis(carboxylatomethyl)-10-[2-oxo-2-[2-(4-sulfamoylphenyl)ethylamino]ethyl]-1,4,7,10-tetrazacyclododec-1-yl]acetate;gadolinium(3+)