tert-butyl N-[(2S)-1-[[(3S,6S,7R,9aS)-3-(benzhydrylcarbamoyl)-5-oxo-7-[(pent-4-ynoylamino)methyl]-1,2,3,6,7,8,9,9a-octahydropyrrolo[1,2-a]azepin-6-yl]amino]-1-oxobutan-2-yl]carbamate 在
copper diacetate 作用下,
以
乙腈 为溶剂,
反应 0.5h,
以36%的产率得到tert-butyl N-[(2S)-1-[[(3S,6S,7R,9aS)-7-[[[10-[[(3S,6S,7R,9aS)-3-(benzhydrylcarbamoyl)-6-[[(2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]butanoyl]amino]-5-oxo-1,2,3,6,7,8,9,9a-octahydropyrrolo[1,2-a]azepin-7-yl]methylamino]-10-oxodeca-4,6-diynoyl]amino]methyl]-3-(benzhydrylcarbamoyl)-5-oxo-1,2,3,6,7,8,9,9a-octahydropyrrolo[1,2-a]azepin-6-yl]amino]-1-oxobutan-2-yl]carbamate