3,4-Dihydroxy-benzoic acid N'-(2-bromo-acetyl)-hydrazide 、 (4-methoxyphenyl)methyl (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[2-methyl-1-[(2-methylpropan-2-yl)oxy]-1-oxopropan-2-yl]oxyiminoacetyl]amino]-8-oxo-3-(pyridin-4-ylsulfanylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 以
N,N-二甲基甲酰胺 为溶剂,
反应 40.0h,
以60%的产率得到(6R,7R)-7-{2-(2-aminothiazol-4-yl)-2-[(Z)-(1-carboxy-1-methylethoxy)imino]acetamido}-3-[({1-[N-(3,4-dihydroxybenzamido)carbamoylmethyl]pyridinium-4-yl}thio)methyl]-8-oxo-1-aza-5-thiabicyclo[4.2.0]oct-2-ene-2-carboxylate