t-butyl 3-<2-<2'-(4-t-butyloxycarbonylaminobutyryl)aminothiazole-4'-caboxamido>thiazole-5-carboxamido>propyl-1-carbamate 在
氢溴酸 、
溶剂黄146 作用下,
反应 0.5h,
以87%的产率得到3-<2-<2'-(4-aminobutyryl)aminothiazole-4'-caboxamido>thiazole-5-carboxamido>propyl-1-amine dihydrobromide