gadolinium 10-[1-(carboxymethylcarbamoyl)-ethyl]-1,4,7,10-tetraazacyclododecane-1,4,7-triacetate 、
2-N-(1H,1H,2H,2H,4H,4H,5H,5H-3-oxaperfluorotridecyl)aminoacetic acid tert-butyl ester 在
lithium chloride 、
2-乙氧基-1-乙氧碳酰基-1,2-二氢喹啉 作用下,
以
二甲基亚砜 为溶剂,
反应 12.17h,
以85%的产率得到1,4,7-tris(carboxylatomethyl)-10-[N-(tert-butoxycarbonylmethyl)-N-[1H,1H,2H,2H,4H,4H,5H,5H-3-oxaperfluorotridecyl]-(3-aza-4-oxo-hexan-5-yl)amido]-1,4,7,10-tetraazacyclododecane gadolinium complex