Process for producing 2,4-diamino-(3,5-dimethoxy-4-methoxy-ethoxy-benzyl)-pyrimidine
申请人:PROTER S.p.A.
公开号:EP0071741A1
公开(公告)日:1983-02-16
A process for preparing Tetroxoprim starting from 3,5-dimethoxy-4-methoxyethoxy-benzaldehyde and 2,4-di- amino-6-hydroxy-pyrimidine, by successive hydrogenation, halogenation and hydrogenolysis of the 2,4-diamino-6-oxo-5-(3,5-dimethoxy-4-methoxyethoxy-benzylidene)-pyrimidine obtained in the initial reaction.
一种以 3,5-二甲氧基-4-甲氧基乙氧基苯甲醛和 2,4-二氨基-6-羟基嘧啶为原料,通过对初始反应中得到的 2,4-二氨基-6-氧代-5-(3,5-二甲氧基-4-甲氧基乙氧基亚苄基)-嘧啶进行连续氢化、卤化和氢解,制备四氧嘧啶的工艺。