2-mercapto-5-[3,4-di(2-methoxyethoxymethoxy)phenyl]-1,3,4-oxadiazole 、 benzhydryl 7β-[2-allyloxyimino-2-(2-tritylaminothiazol-4-yl)acetamido]-3-iodomethyl-3-cephem-4-carboxylate 以
sodium 7β-[2-(2-aminothiazol-4-yl)-2-methoxyiminoacetamido]-3-[5-(3, 4dihydroxyphenyl)-1,3,4-oxadiazol-2-yl]thiomethyl-3-cephem-4-carboxylate 为溶剂,
以18.2%的产率得到sodium 7β-[2-allyloxyimino-2-(2-aminothiazol-4-yl) acetamido]-3-[5-(3,4-dihydroxyphenyl)-1,3, 4-oxadiazol-2-yl]thiomethyl-3-cephem-4carboxylate