p-nitrobenzyl (4'R,5R,6R)-4'methyl-3-(N-p-nitrobenzyloxycarbonyl-N',N'-dimethylcarmbamimidoylmethylthio)-7-oxo-1-azabicyclo<3.2.0>hept-2-ene-6-spiro-5'-(4',5'-dihydro-3'H-pyrazole)-2-carboxylate 在
palladium on activated charcoal
氢气 作用下,
以
1,4-二氧六环 、
水 为溶剂,
以4.4 mg的产率得到(4'R,5R,6R)-3-(N',N'-dimethylaminidomethylthio)-4'-methyl-7-oxo-1-azabicyclo<3.2.0>hept-2-ene-6-spiro-5'-(4',5'-dihydro-3'H-pyrazole)-2-carboxylic acid