(1S)-{[(2-biphenyl-4-yl-methoxycarbonyl-ethyl)-(4'-trifluoromethyl-biphenyl-4-carbonyl)-amino]-methyl}-(2S)-pyrrolidine-1-carboxylic acid tert-butyl 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(2S)-{[(2-biphenyl-4-yl-(1S)-methoxycarbonyl-ethyl)-(4'-trifluoromethyl-biphenyl-4-carbonyl)-amino]-methyl}-pyrrolidinium chloride