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    • 9. 发明授权
    • Nitroimidazolyl-triazolo-pyridazine compounds
    • 硝基咪唑基 - 三唑并 - 哒嗪化合物
    • US4006141A
    • 1977-02-01
    • US601116
    • 1975-07-31
    • Herbert BergerRudi GallKurt StachWolfgang VomelRita Hoffmann
    • Herbert BergerRudi GallKurt StachWolfgang VomelRita Hoffmann
    • C07D487/04
    • C07D487/04
    • Nitroimidazolyl-s-triazolo[4,3-b]pyridazines of the formula: ##STR1## wherein R is hydrogen or lower alkyl optionally substituted in the 2-position by hydroxyl or by lower acyloxy or lower alkoxy;A is hydrogen, halogen, azido, cyano; lower alkyl alkoxy, alkylthio, alkylsulfonyl, carboxyl; lower alkoxycarbonyl, lower alkoxycarbonimidoyl; or hydrazino, carbamoyl, amidino or a carboximidohydrazide group optionally substituted by one or two lower acyl, alkyl or cycloalkyl radicals; orA is a radical of the formula: ##STR2## wherein R.sub.1 and R.sub.2 are, individually, hydrogen or a number of organic radicals or, taken together, can be an alkylene bridge; andR.sub.3 is hydrogen or lower alkyl; or, together with R.sub.2, R.sub.3 can form an alkylene bridge;n is 0 or 1;And the pharmaceutically compatible thereof, possess high in vivo effectiveness as antimicrobials.
    • 具有下式的硝基咪唑基-s-三唑并[4,3-b]哒嗪:其中R是氢或在2-位被羟基或低级酰氧基或低级烷氧基任选取代的低级烷基; A是氢,卤素,叠氮基,氰基; 低级烷基烷氧基,烷硫基,烷基磺酰基,羧基; 低级烷氧基羰基,低级烷氧羰基亚氨基; 或肼基,氨基甲酰基,脒基或任选被一个或两个低级酰基,烷基或环烷基取代的碳代酰肼基; 或者A是下式的基团:其中R 1和R 2分别是氢或多个有机基团,或者一起可以是亚烷基桥; 并且R 3是氢或低级烷基; 或者与R 2一起形成亚烷基桥; N IS 0或1; 并且与药物相容,作为抗病毒药物具有高度的生物有效性。