N,N'-bis-[2-acetyloxy-1-(acetyloxymethyl)ethyl]-5-[3-bromo-2-oxo-1-pyrrolidinyl]-2,4,6-triiodo-1,3-benzenedicarboxamide 在
silver(I) acetate 氮 、 crude residue 、
乙酸酐 、
吡啶 、 silica gel 作用下,
以
溶剂黄146 为溶剂,
反应 26.0h,
以to obtain N,N'-bis-[2-acetyloxy-1-(acetyloxymethyl)ethyl]-5-[3-acetyloxy-2-oxo-1-pyrrolidinyl]-2,4,6-triiodo-1,3-benzenedicarboxamide as a pale orange foam (3.20 g, 82% yield)的产率得到N,N'-bis-[2-acetyloxy-1-(acetyloxymethyl)ethyl]-5-[3-acetyloxy-2-oxo-1-pyrrolidinyl]-2,4,6-triiodo-1,3-benzenedicarboxamide