(6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[carboxy-(3,4-diacetyloxyphenyl)methoxy]iminoacetyl]amino]-3-[(2-carboxy-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl)sulfanylmethyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 、
碳酸氢钠 在
水 作用下,
以
水 为溶剂,
反应 6.0h,
以giving 0.14 g of the objective compound (as sodium salt)的产率得到(6R,7R)-7-[2-(2-amino-4-thiazolyl)-2-[Z-[carboxy(3,4-dihydroxyphenyl)methyl]oxyimino]acetamido]-3-[(2-carboxy-5-methyl-s-triazolo[1,5-a]pyrimidin-7-yl)thiomethyl]-8-oxo5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid