申请人:Boehringer Mannheim GmbH
公开号:US04105772A1
公开(公告)日:1978-08-08
New 3-nitropyrazole compounds of the formula: ##STR1## wherein R.sub.1 is lower alkyl; R.sub.2 is hydrogen or lower alkyl; R.sub.3 is cyano, carboxyl or lower alkoxycarbonyl or the radical --CO--NR.sub.4 R.sub.5, in which R.sub.4 is hydrogen or hydroxyl, carbamoyl, alkylcarbamoyl, dialkylcarbamoyl, thiocarbamoyl, ureido, thioureido, hydroxyphenyl, picolyl or is a lower alkyl, alkenyl or cycloalkyl radical substituted, if desired, by a cyano, hydroxyl, pyrrolidino, piperidino, amino, lower alkylamino, lower dialkylamino or lower acylamino substituent and R.sub.5 is a hydrogen atom or a lower alkyl radical or R.sub.4 and R.sub.5 together represent a lower alkylene bridge; And the pharmacologically compatible salts thereof, are outstandingly effective as anti-microbial agents, particularly systemically and in the urinary tract.
新型3-硝基吡唑化合物,其公式为:##STR1## 其中R.sub.1是低级烷基;R.sub.2是氢或低级烷基;R.sub.3是氰基,羧基或低级烷氧基甲酸酯或自由基--CO--NR.sub.4R.sub.5,其中R.sub.4是氢或羟基,氨基甲酸酯,烷基氨基甲酸酯,二烷基氨基甲酸酯,硫代氨基甲酸酯,脲基,硫脲基,羟基苯基,吡啶基或为低级烷基,烯基或环烷基自由基,如果需要,可由氰基,羟基,吡咯烷基,哌啶基,氨基,低级烷基氨基,低级二烷基氨基或低级酰氨基取代,R.sub.5是一个氢原子或一个低级烷基自由基或R.sub.4和R.sub.5共同代表一个低级亚烷基桥;以及它们的药理相容性盐,作为抗菌剂特别是全身和泌尿道方面非常有效。