(6R,7R)-7-(2-Amino-4-thiazoleglyoxylamido)-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 、 5-[(aminooxy)methyl]-4,7-dichloro-2,2-diphenyl-1,3-benzodioxol 在
乙醚 、
水 作用下,
以
N,N-二甲基乙酰胺 为溶剂,
反应 20.0h,
以there are obtained 88 mg of (6R,7R)-7-[(Z)-2-(2-amino-4-thiazolyl)-2-[[(4,7-dichloro-2,2-diphenyl-1,3-benzodioxol-5-yl)methoxy]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 as a yellow powder的产率得到(6R,7R)-7-[(Z)-2-(2-amino-4-thiazolyl)-2-[[(4,7-dichloro-2,2-diphenyl-1,3-benzodioxol-5-yl)methoxy]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