| 摘要 |
PCT No. PCT/JP97/00708 Sec. 371 Date Nov. 7, 1997 Sec. 102(e) Date Nov. 7, 1997 PCT Filed Mar. 7, 1997 PCT Pub. No. WO97/34027 PCT Pub. Date Sep. 18, 1997A process for preparing a 3-alkoxymethylcephem compound represented by the formula (II) where R1 is a hydrogen atom, amino or protected amino, R3 is a hydrogen atom or carboxylic acid protective group and R4 is lower alkyl, which process is characterized in that a 3-thiomethylcephem compound represented by the formula (I) where R1 and R3 are as defined above and R2 is aryl which may have a substituent, is electrolytically oxidized in an electrooxidation reaction system in the presence of a lower alcohol using as a positive electrode, a material selected from the group consisting of platinum, tin, aluminum, stainless steel, nickel, lead oxide, carbon, iron oxide and titanium, to obtain the 3-alkoxymethylcephem compound.
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