gadolinium 2,2',2''-[10-(1-{[2-(4-nitrophenoxy)-2-oxoethyl]amino}-1-oxopropan-2-yl)-1,4,7,10-tetraazacyclododecane-1,4,7-triyl]triacetate 、
轮环藤宁 以
二甲基亚砜 为溶剂,
反应 8.0h,
以5%的产率得到tetragadolinium 2,2',2",2"',2"",2 ,2 ,2 ,2 ,2 ,2 ,2-{1,4,7,10-tetra-azacyclododecane-1,4,7,10-tetrayltetrakis[(2-oxoethane-2,1-diyl)imino(1-oxopropane-1,2-diyl)-1,4,7,10-tetraazacyclododecane-10,1,4,7-tetrayl]}dodecaacetate