4-{2-[N'-(2-tert-butoxycarbonylaminoethyl)-N''-(2,2,2-trifluoroacetyl)guanidino]ethylcarbamoyl}-4-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid benzyl ester 在
palladium on activated charcoal
氢气 作用下,
以
乙醇 为溶剂,
反应 2.0h,
以88%的产率得到4-{2-[N'-(2-tert-butoxycarbonylaminoethyl)-N''-(2,2,2-trifluoroacetyl)guanidino]ethylcarbamoyl}-4-(9H-fluoren-9-ylmethoxycarbonylamino)butyric acid