tert-butyl N-[(2S)-1-[[(3S,6S,7R,9aS)-7-(azidomethyl)-3-(benzhydrylcarbamoyl)-5-oxo-1,2,3,6,7,8,9,9a-octahydropyrrolo[1,2-a]azepin-6-yl]amino]-1-oxobutan-2-yl]-N-methylcarbamate 、
tert-butyl N-[(2S)-1-[[(3S,6S,7S,9aS)-7-(hydroxymethyl)-5-oxo-3-[[(1S)-2-oxo-2-[2-[2-[2-[2-(pent-4-ynoylamino)ethoxy]ethoxy]ethoxy]ethylamino]-1-phenylethyl]carbamoyl]-1,2,3,6,7,8,9,9a-octahydropyrrolo[1,2-a]azepin-6-yl]amino]-1-oxobutan-2-yl]-N-methylcarbamate 在
copper diacetate 、
sodium ascorbate 作用下,
以
水 、
叔丁醇 为溶剂,
以80%的产率得到tert-butyl N-[(2S)-1-[[(3S,6S,7S,9aS)-3-[[(1S)-2-[2-[2-[2-[2-[3-[1-[[(3S,6S,7R,9aS)-3-(benzhydrylcarbamoyl)-6-[[(2S)-2-[methyl-[(2-methylpropan-2-yl)oxycarbonyl]amino]butanoyl]amino]-5-oxo-1,2,3,6,7,8,9,9a-octahydropyrrolo[1,2-a]azepin-7-yl]methyl]triazol-4-yl]propanoylamino]ethoxy]ethoxy]ethoxy]ethylamino]-2-oxo-1-phenylethyl]carbamoyl]-7-(hydroxymethyl)-5-oxo-1,2,3,6,7,8,9,9a-octahydropyrrolo[1,2-a]azepin-6-yl]amino]-1-oxobutan-2-yl]-N-methylcarbamate