[(S)-1-((1S,2R)-1-Benzyl-3-{(R)-2-[(1-ethyl-propylcarbamoyl)-methyl]-3,3-dimethyl-butyrylamino}-2-hydroxy-propylcarbamoyl)-2-carbamoyl-ethyl]-carbamic acid benzyl ester 在
palladium dihydroxide N-甲基吗啉 、
氢气 、 O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 作用下,
以
甲醇 、
N,N-二甲基甲酰胺 为溶剂,
生成 Quinoxaline-2-carboxylic acid [(S)-1-((1S,2R)-1-benzyl-3-{(R)-2-[(1-ethyl-propylcarbamoyl)-methyl]-3,3-dimethyl-butyrylamino}-2-hydroxy-propylcarbamoyl)-2-carbamoyl-ethyl]-amide