1,1-dimethylethyl[(2S,3R)-4-chloro-3-hydroxy-1-phenylbutan-2-yl]carbamate 、
1-[4-(pyridine-2-yl)-phenyl]-4(S)-hydroxy-2-N-tert-butoxycarbonylamino-5(S)-N-(N-methoxycarbonyl-(L)-tert-leucyl)amino-6-phenyl-2-azahexane 在
(2S,3R)-2-amino-4-chloro-1-phenylbutan-3-ol 、
methyl [(2S)-1-{[(2S,3R)-4-chloro-3-hydroxy-1-phenylbutan-2-yl]amino}-3,3-dimethyl-1-oxobutan-2-yl]carbamate 作用下,
以without isolating (2S,3R)-2-amino-4-chloro-1-phenylbutan-3-ol (Formula III), methyl[(2S)-1-{[(2S,3R)-4-chloro-3-hydroxy-1-phenylbutan-2-yl]amino}-3,3-dimethyl-1-oxobutan-2-yl]carbamate (Formula IV) and/or methyl[(2S)-3,3-dimethyl-1-({ (1S)-1-[(2R)-oxiran-2-yl]-2-phenylethyl}amino)-1-oxobutan-2-yl]carbamate (Formula V) intermediate compounds的产率得到(2S,3R)-2-amino-4-chloro-1-phenylbutan-3-ol