(6R,7R)-7-[(Z)-2-(2-amino-4-thiazolyl)-2-[[1-[3-(7-bromo-4-chloro-2,2-diphenyl-1,3-benzodioxol-5-yl)carbazoyl]-1-methylethoxy]imino]acetamido]-3-[[[2-(hydroxycarbamoyl)-5-methyl-s-triazolo[1,5-a]pyrimidin-7-yl]thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 以
乙醚 、
三氟乙酸 为溶剂,
生成
(6R,7R)-7-[(Z)-2-(2-amino-4-thiazolyl)-2-[[1-[3-(5-bromo-2-chloro-3,4-dihydrooxybenzoyl)carbazoyl]-1-methylethoxy]imino]acetamido]-3-[[[2-(hydroxycarbamoyl)-5-methyl-s-triazolo[1,5-a]pyrimidin-7-yl]thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid