2-benzhydryloxycarbonyl-7-[2-methoxyimino-2-(2-tritylaminothiazol-4-yl)-acetamido]-8-oxo-3-(2-tosyloxyvinyl)-5-oxa-1-azabicyclo[4.2.0]oct-2-ene 、
sodium [4-(2,2-dimethoxyethyl)-1,4,5,6-tetrahydro-5,6-dioxo-1,2,4-triazin-3-yl]-thiolate 以
N-甲基乙酰胺 、
水 、
乙酸乙酯 为溶剂,
生成 2-benzhydryloxycarbonyl-3-[[2-[4-(2,2-dimethoxyethyl)-1,4,5,6-tetrahydro-5,6-dioxo-1,2,4-triazin-3-yl]-thiovinyl]]-7-[2-methoxyimino-2-(2-tritylaminothiazol-4-yl)-acetamido]-8-oxo-5-oxa-1-azabicyclo[4.2.0]-oct-2-ene