申请人:E. R. Squibb & Sons, Inc.
公开号:US04670193A1
公开(公告)日:1987-06-02
A process for preparing phosphonic acids of the structure ##STR1## wherein R.sub.1 is lower alkyl, aryl, cycloalkyl or arylalkyl, and R.sub.2 is H, benzyl or ##STR2## by oxidizing the corresponding phosphonous acid ##STR3## employing as the oxidizing agent potassium permanganate or sodium periodate.
一种制备磷酸的过程,其结构为##STR1##其中R.sub.1是低烷基,芳基,环烷基或芳基烷基,R.sub.2是H,苄基或##STR2##,通过使用高锰酸钾或过碘酸钠作为氧化剂氧化相应的膦酸##STR3##。