申请人:Ciba-Geigy Corporation
公开号:US03996238A1
公开(公告)日:1976-12-07
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.
式I的4-或5-硝基咪唑,其中R.sub.1和R.sub.2中的一个是氢或较低的烷基,R.sub.2是硝基或R.sub.1是硝基且R.sub.2是氢或较低的烷基,R.sub.3是较低的烷基,羟基-较低的烷基,较低的烷氧基-较低的烷基,较低的烷基磺酰-较低的烷基,二较低烷基氨基-较低的烷基,较低的烷基亚烷基氨基-较低的烷基,较低的氧代烷基亚氨基-较低的烷基,较低的硫代烷基亚氨基-较低的烷基或较低的氮代烷基亚氨基-较低的烷基,R.sub.4是氧代或硫代氧代,R.sub.5是苯基基团,可选地具有一个、两个或更多取代基,也可选地取代的呋喃基,噻吩基,吡咯基,吲哚基,噁唑基,噻唑基,噻二唑基,4,5-二氢噻唑基-(2),四氢噻唑基-(2),吡唑基,吲唑基,咪唑基-(5),咪唑基-(4),吡啶基,吡嗪基,嘧啶基,吡啶嗪基,1,3,5-或1,2,4-三唑基,吡咯啉基,吡唑啉基,吲哚啉基,吡唑烷基,吲哚啉基,咪唑啉基,咪唑烷基,哌啶基,吗啉基,噻嗪基,硫代哌啶基或哌啶基基团,也可选地C-较低烷基化的吡咯啉基,哌啶基,吗啉基,硫代吗啉基,哌啶基,N'-较低烷基-哌啶基,N'-.beta.-羟乙基-哌啶基或吡啶基,以及R.sub.6和R.sub.7分别独立地表示氢或较低烷基,或共同形成一个缺失的融合苯环的部分,该部分可选地被较低烷基,较低烷氧基,卤素,三氟甲基和/或硝基取代,以及它们的S-氧化物,砜氧化物和/或酸盐,这些化合物对于对抗血吸虫,丝虫,滴虫,细菌和/或阿米巴等有用。