trifluoroborane diethyl ether 、
7-氨基头孢烷酸 、 N-hydroxy-5-mercapto-2-methyl-s-triazolo[1,5-a]pyrimidine-5-propionamide 、
二氯甲烷 、 Dichloromethane sulpholane 在
乙醚 、
水 、
乙醇 作用下,
反应 16.0h,
以There are obtained 311 mg of (6R,7R)-7-amino-3-[[[5-[2-(hydroxycarbamoyl)ethyl]-2-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 as a beige powder的产率得到(6R,7R)-7-amino-3-[[[5-[2-(hydroxycarbamoyl)ethyl]-2-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