The present invention provides a 2,3-dihydro-6-nitroimidazo[2,1-b]oxazole compound represented by the following general formula: (1)in the above formula (1), R1 represents a hydrogen atom or C1-C6 alkyl group, n represents an integer of 0 to 6, R1 and -(CH2)nR2 may form a spiro ring represented by the formula (30) below, together with the adjacent carbon atom (in the formula below, RRR represents a piperidyl group which may have substituents on the piperidine ring), (30)and R2 represents a benzothiazolyloxy group, quinolyloxy group, pyridyloxy group or the like. The present compound has an excellent bactericidal action against Mycobacterium tuberculosis, multi-drug-resistant Mycobacterium tuberculosis, and atypical acid-fast bacteria.
本发明提供了一种由以下一般式表示的2,3-二氢-6-硝基
咪唑[2,1-b]
噁唑化合物:(1)在上述式(1)中,R1代表氢原子或C1-C6烷基,n代表0至6的整数,R1和-(
CH2)nR2可以与下面的式(30)一起形成一个螺环,与相邻的碳原子一起(在下面的式中,RRR代表可能在
哌啶环上具有取代基的
哌啶基),(30)和R2代表
苯并噻唑氧基、
喹啉氧基、
吡啶氧基或类似物。该化合物对结核分枝杆菌、多药耐药结核分枝杆菌和非典型耐酸细菌具有出色的杀菌作用。