ethyl 2-<2'-(4-t-butyloxycarbonylaminobutyryl)amino-5-methylthiazole-4'-carboxamido>-5-methylthiazole-4-carboxylate 在
sodium hydroxide 作用下,
以
甲醇 为溶剂,
反应 6.0h,
以91%的产率得到2-<2'-(4-t-butyloxycarbonylaminobutyryl)amino-5-methylthiazole-4'-carboxamido>-5-methylthiazole-4-carboxylic acid