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通式表示的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表示氢原子或C1-C6烷基,n表示0到6的整数,R1和-(
CH2)nR2可以与相邻的碳原子形成螺环,该螺环由以下式(30)表示(在下面的式子中,RRR表示可能在
哌啶环上有取代基的
哌啶基),(30)并且R2表示
苯并噻唑氧基、
喹啉氧基、
吡啶氧基或类似基团。本化合物对结核分枝杆菌、多药耐药结核分枝杆菌和非典型抗酸菌具有优异的杀菌作用。