A heterocyclic compound of the formula I, as shown hereafter in these claims in which n is 0 or 1; A is a 1-4C alkylene radical which may optionally bear one or more 1-4C alkyl substituents; R.sup.1 and R.sup.2, which may be the same or different, are each a hydrogen or halogen atom, an amino, carbamoyl, cyano, hydroxy, nitro or sulphamoyl radical, a 1-6C alkyl, halogenoalkyl, alkoxy, halogenoalkoxy, alkylamino, alkylcarbamoyl or alkylsulphamoyl radical, a di(1-6C alkyl)-amino, di(1-6C alkyl)carbamoyl or di(1-6C alkyl)sulphamoyl radical, or a 2-7C alkoxycarbonyl radical; m is an integer of 1 to 5, R.sup.3 is a hydrogen or halogen atom or a 1-6C alkyl or halogenoalkyl radical; and R.sup.4 is a 5-membered aromatic ring heterocyclyl radical containing 2 or 3 nitrogen atoms, or a 6-membered aromatic ring heterocyclyl radical containing 1 or 2 nitrogen atoms, which heterocyclyl radical may bear a 1-6C alkyl substituent; and for those compounds which contain a basic nitrogen atom, the pharmaceutically acceptable acid addition salts thereof together with processes of manufacture and pharmaceutical and veterinary compositions thereof.
一种
杂环化合物,其
化学式如下所示,其中n为0或1;A为1-4C烷基基团,可以选择性地带有一个或多个1-4C烷基取代基;R.sup.1和R.sup.2,可以相同也可以不同,均为氢或卤素原子,
氨基,
氨基甲酰,
氰基,羟基,硝基或磺酰基基团,1-6C烷基,卤代烷基,烷氧基,卤代烷氧基,烷基
氨基,烷基甲酰胺或烷基磺酰胺基团,二(1-6C烷基)-
氨基,二(1-6C烷基)-甲酰胺或二(1-6C烷基)-磺酰胺基团,或2-7C烷氧羰基基团;m为1至5的整数,R.sup.3为氢或卤素原子或1-6C烷基或卤代烷基基团;R.sup.4为含有2或3个氮原子的5-成员芳香杂环基团,或含有1或2个氮原子的6-成员芳香杂环基团,该杂环基团可以带有1-6C烷基取代基;对于那些含有碱性氮原子的化合物,其药学上可接受的酸盐加合物,以及制造过程和制药和兽医组合物。