Ethyl 3-[[3-[[3,5-bis[[3,5-bis[(3-ethoxy-3-oxopropyl)carbamoyl]phenyl]carbamoyl]benzoyl]amino]-5-[(3-ethoxy-3-oxopropyl)carbamoyl]benzoyl]amino]propanoate 在
sodium hydroxide 作用下,
以
甲醇 为溶剂,
反应 3.0h,
以84%的产率得到3-[[[3-[[[3,5-bis[N-[3,5-bis[N-(2-carboxyethyl)-C-hydroxycarbonimidoyl]phenyl]-C-hydroxycarbonimidoyl]phenyl]-hydroxymethylidene]amino]-5-[N-(2-carboxyethyl)-C-hydroxycarbonimidoyl]phenyl]-hydroxymethylidene]amino]propanoic acid