gadolinium 10-[1-(carboxymethylcarbamoyl)-ethyl]-1,4,7,10-tetraazacyclododecane-1,4,7-triacetate 、
N-(2H,2H,4H,4H,5H,5H-3-oxaperfluorotridecyl)-N-((2R,3R,4R,5S)-6-amino-1,2,3,4,5-pentahydroxyhexyl)amine 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79%的产率得到1,4,7-tris(carboxylatomethyl)-10-[N-((2R,3R,4R,5S)-6-amino-1,2,3,4,5-pentahydroxyhexyl)-N-((1H,1H,2H,2H,4H,4H,5H,5H-3-oxa)-perfluorotridecyl)-(3-aza-4-oxo-hexan-5-yl)amido]-1,4,7,10-tetraazacyclododecane gadolinium complex