{(S)-1-[(1S,2R,3R)-1-benzyl-2-hydroxy-3-[(S)-1-(2-hydroxy-4-methoxy-benzylcarbamoyl)-2-methyl-propylcarbamoyl]-3-(3,4,5-trimethoxy-benzylamino)-propylcarbamoyl]-2,2-dimethyl-propyl}-carbamic acid tert-butyl ester 生成 (2R,3R,4S)-4-((S)-2-amino-3,3-dimethyl-butyrylamino)-3-hydroxy-5-phenyl-2-(3,4,5-trimethoxy-benzylamino)-pentanoic acid [(S)-1-(2-hydroxy-4-methoxy-benzylcarbamoyl)-2-methyl-propyl]-amide