[(2-{carboxymethyl-[2-(carboxymethyl-(benzo-15-crown-5)-carbamoylmethyl-amino)-ethyl]-amino}-ethyl)-phenylcarbamoylmethyl-amino]-acetic acid 在
sodium hydroxide 、 gadolinium(III) chloride 作用下,
以
水 为溶剂,
反应 3.0h,
以66.2%的产率得到[(2-{carboxymethyl-[2-(carboxymethyl-(benzo-15-crown-5)-carbamoylmethyl-amino)-ethyl]-amino}-ethyl)-phenylcarbamoylmethyl-amino]-acetic acid gadolinum complex