申请人:Sanofi
公开号:US04710499A1
公开(公告)日:1987-12-01
The present invention relates to derivatives of pyridazine of formula: ##STR1## in which R.sub.1 is alkyl or a phenyl group and R.sub.2 is H or R.sub.1 and R.sub.2 form, with the carbon atoms to which they are attached, a benzene cycle, R.sub.3 is H or phenyl and R.sub.4 is ##STR2## in which R.sub.5 is H or CH.sub.3 and R.sub.6 is H, OH, OR or OCOR; it also relates to a process for preparing the products of formula (I) and to the drugs containing at least one of said products.
本发明涉及公式为:##STR1## 的吡啶嗪衍生物,其中R.sub.1是烷基或苯基,R.sub.2为H或R.sub.1,R.sub.2与它们附着的碳原子形成苯环,R.sub.3为H或苯基,R.sub.4为##STR2##,其中R.sub.5为H或CH.sub.3,R.sub.6为H、OH、OR或OCOR;本发明还涉及制备公式(I)产物的方法和至少含有其中一种产物的药物。