Novel substituted nitroimidazoles are provided, for example, 2-(4,5-substituted-isoxazol-3-yl)-1-substituted-5-nitroimidazole; 2-(4,5-disubstituted-.DELTA..sup.2 -isoxazolin-3-yl)-1-substituted-5-nitroimidazole; or 2-(4,5-disubstituted-2-loweralkyl-isoxazolidin-3-yl)-1-substituted-5-nitro imidazole. These compounds have antibacterial and antiprotozoal activity, especially against human and animal trypanosomiasis and trichomoniasis.
                            提供了一些新型取代硝基
咪唑类化合物,例如2-(4,5-取代
异噁唑-3-基)-1-取代-5-硝基
咪唑;2-(4,5-二取代-.DELTA..sup.2-
异噁唑啉-3-基)-1-取代-5-硝基
咪唑;或2-(4,5-二取代-2-较低烷基-
异噁唑烷-3-基)-1-取代-5-硝基
咪唑。这些化合物具有抗菌和抗原虫活性,特别是对人和动物的锥虫病和滴虫病。