cholic acid N-succinimidyl ester 、
1-[4-[[aminoacetyl]amino]phenyl]-4-carboxy-5,8,11-tris(carboxymethyl)-2-oxa-5,8,11-triazatridecan-13-oic acid 以
水 、
N,N-二甲基甲酰胺 为溶剂,
反应 30.0h,
以28%的产率得到4-carboxy-5,8,11-tris(carboxymethyl)-1-[4-[[[[(3α,5β,7α,12α)-3,7,12-trihydroxy-24-oxocholan-24-yl]amino]acetyl]amino]phenyl]-2-oxa-5,8,11-triazatridecan-13-oic acid