(4R,5S,6S)-3-((2R,3R)-2-{[1-(2,2-dimethyl-propionyloxy)ethoxycarbonylamino]-methyl}-tetrahydrofuran-3-yl-sulfanyl)-6-(1R-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid 4-nitrophenylmethyl ester 在
palladium on activated charcoal
氢气 、
碳酸氢钠 作用下,
以
1,4-二氧六环 、
水 为溶剂,
反应 5.5h,
以86%的产率得到(4R,5S,6S)-3-((2R,3R)-2-{[1-(2,2-dimethyl-propionyloxy)ethoxycarbonylamino]-methyl}-tetrahydrofuran-3-yl-sulfanyl)-6-(1R-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylic acid sodium salt