benzyl (2S,3R,4R,5R,6R)-3-difluoromethyl-3-methyl-7-oxo-6-phenoxyacetamido-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylate-4-oxide 以
苯 为溶剂,
反应 0.75h,
以55%的产率得到benzyl (2S,3S,4S,5R,6R)-3-difluoromethyl-3-methyl-7-oxo-6-phenoxyacetamido-4-thia-1-azabicyclo<3.2.0>heptane-2-carboxylate-4-oxide