1-(heptadecafluorooctane-1-sulfonyl)-piperazine 、
N-{3,5-bis-[bis-(2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-carbamoyl]-2,4,6-triiodo-phenyl}-N-tert-butoxycarbonylmethyl-succinic acid 在
N-羟基丁二酰亚胺 、
N,N'-二环己基碳二亚胺 、
N,N-二异丙基乙胺 作用下,
反应 48.0h,
以83%的产率得到({3,5-Bis-[bis-(2,2-dimethyl-[1,3]dioxolan-4-ylmethyl)-carbamoyl]-2,4,6-triiodo-phenyl}-{4[4-(heptadecafluorooctane-1-sulfonyl)piperazin-1-yl]-4-oxo-butyryl}-amino)-acetic Acid-Tert-Butyl Ester