gadolinium 2,2',2''(10-{1-[(2-{[4-(3-ethynylphenyl)butyl]amino}-2-oxoethyl)amino]-1-oxopropan-2-yl}-1,4,7,10-tetraazacyclododecane-1,4,7-triyl)triacetate 、 (3S)-3-(5-bromopyridin-3-yl)-3-[({(3R)-1-[3-(piperidin-4-yl)propanoyl]piperidin-3-yl}-carbonyl)amino]propanoic acid 在
三乙胺 作用下,
以
水 、
乙腈 为溶剂,
反应 7.0h,
以2.8 mg的产率得到gadolinium 2,2',2''-{10-[(2S)-1-({2-[(6-{3-[(5-{(1S)-2-carboxy-1-[({(3R)-1-[3-(piperidin-4-yl)propanoyl]piperidin-3-yl}carbonyl)amino]ethyl}pyridin-3-yl)ethynyl]phenyl}butyl)-amino]-2-oxoethyl}amino)-1-oxopropan-2-yl]-1,4,7,10-tetraazacyclododecane-1,4,7-triyl}triacetate