(S)-2-{(S)-2-[N-tert-Butoxycarbonylmethyl-N'-(4-chloro-3-sulfamoyl-benzoyl)-hydrazino]-1-methyl-2-oxo-ethylamino}-4-phenyl-butyric acid ethyl ester 在
盐酸 作用下,
以
1,4-二氧六环 为溶剂,
反应 15.5h,
以100%的产率得到ethyl α-<<2-<2-<3-(aminosulfonyl)-4-chlorobenzoyl>-1-(carboxymethyl)hydrazino>-1-methyl-2-oxoethyl>amino>benzenebutanoate hydrochloride