申请人:Sanofi
公开号:US04721711A1
公开(公告)日:1988-01-26
The invention relates to the pyridazine derivatives of the formula: ##STR1## in which R.sub.1 is H, a substituted or unsubstituted phenyl group, a naphthyl group, a cyclohexyl group, a thien-2-yl group, a thien-3-yl group or an indol-3-yl group, R.sub.2 is H or an alkyl or phenyl group, R.sub.3 is H, an alkyl, or phenyl group in formula Ib and a cyano group in formula Ia, and Alk is (CH.sub.2).sub.n where n is 2, 3 or 4, or --CH.sub.2 --C.ident.C--, and X.sup.- is halide, a process for the preparation of the said products and their application as medicaments.
本发明涉及公式为:##STR1##的吡嗪嗪衍生物,其中R.sub.1为氢,取代或未取代苯基,萘基,环己基,噻吩-2-基,噻吩-3-基或吲哚-3-基,R.sub.2为氢或烷基或苯基,R.sub.3在公式Ib中为氢,烷基或苯基,在公式Ia中为氰基,Alk为(CH.sub.2).sub.n,其中n为2、3或4,或--CH.sub.2--C.ident.C--,X.sup.-为卤化物,本发明还涉及制备所述产品的方法以及它们作为药物的应用。