dimethyl (4S,4'S,7S,7'S)-4,4'-(2,2'-(biphenyl-4,4'-diyl)bis(2-oxoethane-2,1-diyl))bis(azanediyl)bis(oxomethylene)bis(6,10-dioxooctahydro-1H-pyridazino[1,2-a][1,2]diazepine-7,4-diyl)dicarbamate 、
三氟乙酸 在
ammonium acetate 作用下,
以
1,4-二氧六环 、
5,5-dimethyl-1,3-cyclohexadiene 为溶剂,
反应 4.0h,
生成 [(4S,7S)-4-(5-{4'-[2-((1S,9S)-9-[(methoxycarbonyl)amino]-6,10-dioxooctahydropyridazino[1,2-a][1,2]diazepin-1-yl)-3H-imidazol-4-yl]biphenyl-4-yl}-1H-imidazol-2-yl)-6,10-dioxooctahydropyridazino[1,2-a][1,2]diazepin-7-yl]carbamic acid methyl ester bistrifluoroacetate