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    • 2. 发明授权
    • Pyrazine derivatives
    • 吡嗪衍生物
    • US4041032A
    • 1977-08-09
    • US534636
    • 1974-12-19
    • Masuo MurakamiKozo TakahashiYasuhumi HirataMutsuo TakashimaMasaaki TakedaHiroyoshi InoSumio Iwanami
    • Masuo MurakamiKozo TakahashiYasuhumi HirataMutsuo TakashimaMasaaki TakedaHiroyoshi InoSumio Iwanami
    • C07D241/24C07D241/28
    • C07D241/24Y10S514/872
    • Pyrazine derivatives by the formula ##STR1## are disclosed. In the above formula, R.sup.1 and R.sup.2, which may be the same or different, each represents a hydrogen atom, a halogen atom, a hydroxy group, a lower alkoxy group, a phenyl lower alkoxy group, a phenoxy group, a mercapto group, a lower alkylthio group, a phenyl lower alkylthio group, a phenylthio group, an amino group, a substituted amino group, a lower alkyl group, a carbamoyl group or a sulfamoyl group; R.sup.3 represents a lower alkoxy group; R.sup.4, R.sup.5, and R.sup.6, which may be the same or different, each represents a hydrogen atom, a lower alkyl group, a cycloalkyl group, a phenyl lower alkyl group, or a phenyl group; and A represents a lower alkylene group; said R.sup.4 and A, said R.sup.5 and A, said R.sup.4 and R.sup.5, or said R.sup.5 and R.sup.6 may form a 5-membered or 6-membered nitrogen-containing heterocyclic ring which may further contain a hetero-atom together with nitrogen atom, and the pharmacologically acceptable non-toxic salts thereof. The compounds of this invention have a strong and selective antiematic activity and an effect of stimulating the gastric motility.
    • 披露了通过式“IMAGE”的吡嗪衍生物。 在上式中,R 1和R 2可以相同或不同,表示氢原子,卤素原子,羟基,低级烷氧基,苯基低级烷氧基,苯氧基,巯基, 低级烷硫基,苯基低级烷硫基,苯硫基,氨基,取代氨基,低级烷基,氨基甲酰基或氨磺酰基; R3表示低级烷氧基; R 4,R 5和R 6可以相同或不同,分别表示氢原子,低级烷基,环烷基,苯基低级烷基或苯基。 A表示低级亚烷基; 所述R4和A表示R5和A表示R4和R5,或所述R5和R6可以形成还可以与氮原子一起含有杂原子的5元或6元含氮杂环,并且 其药理学上可接受的无毒盐。 本发明的化合物具有强的选择性的抗活性和刺激胃动力的作用。