Process for providing an oxidized penam
    1.
    发明授权
    Process for providing an oxidized penam 失效
    提供氧化的penam的方法

    公开(公告)号:US4410458A

    公开(公告)日:1983-10-18

    申请号:US328267

    申请日:1981-12-07

    摘要: This invention relates to a process for preparing an oxidized penam derivative of the formula: ##STR1## wherein R.sub.1 represents an amino or protected amino radical, andR.sub.3 represents a radical selected from the group consisting of carboxy, protected carboxy, ester, acid amide, acid anhydride, acid halide, acid azide and carboxy salt, wherein a penam derivative of the formula: ##STR2## is oxidized with an oxidizing agent selected from the group consisting of hydrogen peroxide, peracids, hydroperacids, and salts thereof, the improvement which comprises conducting said oxidation in the presence of a catalytic amount of a Group Vb or VIb of the Periodic Table metal compound.

    摘要翻译: 本发明涉及制备下式氧化的penam衍生物的方法:其中R 1表示氨基或保护的氨基,R 3表示选自羧基,被保护的羧基,酯,酰胺, 酸酐,酰卤,叠氮化物和羧基盐,其中下式的阴茎衍生物由下式的氧化剂氧化:过氧化氢,过酸,氢过酸及其盐,其改进包括 在催化量的元素周期表金属化合物的Vb或VIb族的存在下进行所述氧化。