[(1S,4R,7S,9R)-4-(acetyloxymethyl)-9-[(1S,4R,7S,9R)-4-(acetyloxymethyl)-16-(benzenesulfonyl)-5-methyl-4-(2-methylpropanoyloxy)-7-(2-methylpropanoylsulfanyl)-3,6-dioxo-2,5,16-triazatetracyclo[7.7.0.02,7.010,15]hexadeca-10,12,14-trien-9-yl]-16-(benzenesulfonyl)-5-methyl-7-(2-methylpropanoylsulfanyl)-3,6-dioxo-2,5,16-triazatetracyclo[7.7.0.02,7.010,15]hexadeca-10,12,14-trien-4-yl] 2-methylpropanoate 在
1,4-二甲氧基萘 、
维生素 C 作用下,
以
水 、
乙腈 为溶剂,
反应 14.25h,
以51%的产率得到[(1R,4R,7S,9R)-4-(acetyloxymethyl)-9-[(1R,4R,7S,9R)-4-(acetyloxymethyl)-5-methyl-4-(2-methylpropanoyloxy)-7-(2-methylpropanoylsulfanyl)-3,6-dioxo-2,5,16-triazatetracyclo[7.7.0.02,7.010,15]hexadeca-10,12,14-trien-9-yl]-5-methyl-7-(2-methylpropanoylsulfanyl)-3,6-dioxo-2,5,16-triazatetracyclo[7.7.0.02,7.010,15]hexadeca-10,12,14-trien-4-yl] 2-methylpropanoate