(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 、 α-(aminooxy)-N-hydroxy-p-toluamide 、
甲烷磺酸 在
水 、 (6R,7R)-7-[(Z)-2-(2-amino-4-thiazolyl)-2-[[[p-(hydroxycarbamoyl)benzyl]oxy]imino]acetamido]-3-[[[2-(hydroxycarbamoyl)-5-methyl-s-triazolo[1,5-a]pyrimidin-7-yl]thio]methyl]-8-oxo-5 作用下,
以
N,N-二甲基乙酰胺 为溶剂,
反应 24.0h,
以There are obtained 23 mg of (6R,7R)-7-[(Z)-2-(2-amino-4-thiazolyl)-2-[[[p-(hydroxycarbamoyl)benzyl]oxy]imino]acetamido]-3-[[[2-(hydroxycarbamoyl)-5-methyl-s-triazolo[1,5-a]pyrimidin-7-yl]thio]methyl]-8-oxo-5-thia-1-azabicyc[4.2.0]oct-2-ene-2-carboxylic acid as a beige powder of m.p. 250° C. (dec.)的产率得到2-methyloct-2-enoic acid