2,2,2-trichloroethyl (1RS,7RS,7aRS,7bRS)-6,7,7a,7b-tetrahydro-3-methyl-6-oxo-7-phenoxyacetamido-1H-azeto<1,2-a>azirino<2,1-c>pyrazine-4-carboxylate 在
potassium dihydrogenphosphate 、
锌 作用下,
以
四氢呋喃 为溶剂,
反应 0.5h,
以16 mg的产率得到(7RS,7aRS,7bRS)-6,7,7a,7b-tetrahydro-3-methyl-6-oxo-7-phenoxyacetamido-1H-azeto<1,2-a>azirino<2,1-c>pyrazine-4-carboxylic acid