反应详情

According to the procedure described in Example 1, 123 g of diethylenetriamine (0.16 mol) are reacted with 121.7 g of compound (A) 3-[[6-[(chloroacetyl)amino]-1-oxohexyl]amino]-α-ethyl-2,4,6-triiodobenzene propanoic acid. 64 g of 3-[6-[[[2-[(2-aminoethyl)amino]ethyl]amino]acetyl amino]-1-oxohexyl]amino-α-ethyl-2,4,6-triiodobenzenepropanoic acid (0.077 mol) are obtained.