(6R,7R)-7-(2-Amino-4-thiazoleglyoxylamido)-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 、 3,4-dihydroxybenzoic acid 2-[2-(aminooxy)-2-methyl-1-oxopropyl]hydrazide hydrochloride 在
乙醇乙醚 、
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 45 mg of (6R,7R)-7-[(Z)-2-(2-amino-4-thiazolyl)-2-[[1-[3-(3,4-dihydroxybenzoyl)carbazoyl]-1-methylethoxy]imino]acetamido]-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-[(Z)-2-(2-amino-4-thiazolyl)-2-[[1-[3-(3,4-dihydroxybenzoyl)carbazoyl]-1-methylethoxy]imino]acetamido]-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