3-biphenyl-4-yl-(2S)-[(2-tert-butoxycarbonylamino-ethyl)-(4'-trifluoromethyl-biphenyl-4-carbonyl)-amino]-propionic acid methyl ester 在
盐酸 作用下,
以
1,4-二氧六环 为溶剂,
反应 1.0h,
以100%的产率得到2-[(2-biphenyl-4-yl-(1S)-methoxycarbonyl-ethyl)-(4'-trifluoromethyl-biphenyl-4-carbonyl)-amino]-ethyl-ammonium chloride