(6R,7R)-7-(2-amino-4-thiazoleglyoxylamido)-3-[[(2-carbamoyl-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 、 2-(aminooxy)methyl-5-hydroxy-4(1H)-pyrimidinone 、
对甲苯磺酸一水合物 在
水 作用下,
以
N,N-二甲基乙酰胺 为溶剂,
反应 24.33h,
以(6R,7R)-7-[(Z)-2-(2-amino-4-thiazolyl)-2-[[(1,4-dihydro -5-hydroxy-4-oxo-2-pyrimidinyl) methoxy]imino]-acetamido]-3-[[(2-carbamoyl -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 was obtained as a beige powder的产率得到(6R,7R)-7-[(Z)-2-(2-amino-4-thiazolyl)-2-[[(1,4-dihydro-5-hydroxy-4-oxo-2-pyrimidinyl) methoxy]imino]acetamido]-3-[[(2-carbamoyl-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