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    • 20. 发明授权
    • 4- or 5-Nitroimidazoles and processes for their manufacture
    • 4-或5-硝基咪唑及其制备方法
    • US3996238A
    • 1976-12-07
    • US522567
    • 1974-11-11
    • Atso Ilvespaa
    • Atso Ilvespaa
    • C07D233/54C07D233/70C07D233/92C07D49/34
    • C07D233/92C07D233/70
    • 4- or 5-nitro-imidazoles of the formula I ##SPC1##wherein one of the radicals R.sub.1 and R.sub.2 is hydrogen or lower alkyl and R.sub.2 is the nitro group or R.sub.1 is the nitro group and R.sub.2 is hydrogen or lower alkyl, R.sub.3 is lower alkyl, hydroxy-lower alkyl, lower alkoxy-lower alkyl, lower alkylsulphonyl-lower alkyl, dilower alkylamino-lower alkyl, lower alkylene-amino-lower alkyl, lower oxaalkyleneamino-lower alkyl, lower thiaalkyleneamino-lower alkyl or lower azaalkyleneamino lower alkyl, R.sub.4 is oxo or thioxo and R.sub.5 is a phenyl radical which optionally has one, two or more substituents, an optionally substituted furyl, thienyl, pyrrolyl, indolyl, oxazolyl, thiazolyl, thiadiazolyl, 4,5-dihydro-thiazolyl-(2), tetrahydro-thiazolyl-(2), pyrazolyl, indazolyl, imidazolyl-(5), imidazolyl-(4), pyridyl, pyrazinyl, pyrimidinyl, pyridazinyl, 1,3,5- or 1,2,4-triazinyl, pyrrolidinyl, pyrazolinyl, indolinyl, pyrazolidinyl, imidazolinyl, imidazolidinyl, piperidyl, morpholinyl, thiazinyl, thiomorpholinyl or piperazinyl radical, an optionally C-lower alkylated pyrrolidino, piperidino, morpholino, thiomorpholino, piperazino, N'-lower alkyl-piperazino, N'-.beta.-hydroxyethyl-piperazino or pyridinium radical and R.sub.6 and R.sub.7 independently of one another denote hydrogen or lower alkyl or conjointly form the missing part of a fused benzene nucleus which is optionally substituted by lower alkyl, lower alkoxy, halogen, trifluoromethyl and/or nitro, as well as their S-oxides, sulphones N-oxides and/or acid addition salts thereof, which are useful as agents against schistosomes, filaria, trichomonades, bacteriae, and/or amoebae.
    • 其中基团R 1和R 2中的一个为氢或低级烷基且R 2为硝基或R 1为硝基且R 2为氢或低级烷基的式I的4-或5-硝基 - 咪唑,R 3为低级烷基, 低级烷氧基 - 低级烷基,低级烷基磺酰基 - 低级烷基,低级烷基氨基 - 低级烷基,低级亚烷基 - 氨基 - 低级烷基,低级亚烷基氨基 - 低级烷基,低级亚烷基氨基 - 低级烷基,低级亚烷基氨基 - 低级烷基, 氧代或硫代,R5是任选具有一个,两个或更多个取代基的苯基,任选取代的呋喃基,噻吩基,吡咯基,吲哚基,恶唑基,噻唑基,噻二唑基,4,5-二氢 - 噻唑基 - (2) 噻唑基 - (2),吡唑基,吲唑基,咪唑基 - (5),咪唑基 - (4),吡啶基,吡嗪基,嘧啶基,哒嗪基,1,3,5-或1,2,4-三嗪基,吡咯烷基,吡唑啉基, ,吡唑烷基,咪唑啉基,咪唑烷基,哌啶基,吗啉基,噻嗪基,硫代吗啉基或哌嗪基 1,任选的C低级烷基化吡咯烷子基,哌啶子基,吗啉代,硫代吗啉代,哌嗪子基,N'-低级烷基 - 哌嗪基,N'-β-羟基乙基 - 哌嗪基或吡啶鎓基,R 6和R 7彼此独立地表示氢或低级烷基 或共同形成任选被低级烷基,低级烷氧基,卤素,三氟甲基和/或硝基取代的稠合苯核心的缺失部分,以及它们的S-氧化物,砜氧化物和/或其酸加成盐, 它们可用作抗血吸虫,丝丝虫,毛滴虫,细菌和/或变形虫的药剂。