[EN] 6,7 - DIHYDROIMIDAZO [2, 1 - B] [1, 3] OXAZINE BACTERICIDES<br/>[FR] BACTÉRICIDES À BASE DE 6,7-DIHYDROIMIDAZO [2,1-B][1,3] OXAZINE
申请人:OTSUKA PHARMA CO LTD
公开号:WO2012141338A1
公开(公告)日:2012-10-18
The present invention provides a novel 6,7-dihydroimidazo[2,1-b][1,3]oxazine compound that has excellent bactericidal action against tubercle bacilli, multidrug-resistant tubercle bacilli, and atypical acid-fast bacilli. Specifically, the present invention provides a compound represented by Formula (1): or a salt thereof, wherein R1 represents tetrahydroisoquinolyl, tetrahydroquinolyl, tetrahydrobenzoazepinyl, benzoxazolyl, benzothiazolyl, indolyl, isoindolinyl, naphthyl, quinolyl, phenyl, biphenylyl, or pyridyl, these groups being optionally substituted, the phenyl, biphenylyl, and pyridyl represented by R1 each being substituted directly or via a linker with at least one group selected from the group consisting of tetrahydropyridyl, diazepanyl, diazabicycloheptanyl, tetrahydrotriazolopyrazinyl, tetrahydroimidazopyrazinyl, azabicyclooctanyl, oxazolyl, piperazinyl, piperidyl, thiazolyl, and the like, each of these groups being optionally substituted; and R2 represents hydrogen or lower alkyl. The present invention further provides a pharmaceutical composition containing the above.
本发明提供了一种新型的6,7-二氢咪唑[2,1-b][1,3]噁嗪化合物,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抗酸杆菌具有优异的杀菌作用。具体而言,本发明提供了一种由式(1)表示的化合物或其盐,其中R1代表四氢异喹啉基、四氢喹啉基、四氢苯并氮杂环庚基、苯并噁唑基、苯并噻唑基、吲哚基、异吲哚啉基、萘基、喹啉基、苯基、联苯基或吡啶基,这些基团可选地被取代,其中R1表示的苯基、联苯基和吡啶基通过连接基直接或经过至少一种从四氢吡啶基、二氮杂环庚基、二氮杂双环庚基、四氢三唑吡嗪基、四氢咪唑吡嗪基、氮杂双环辛基、噁唑基、哌嗪基、哌啶基、噻唑基等基团中选取的至少一种基团进行取代,这些基团可选地被取代;R2代表氢或低碳基。本发明还提供了包含上述化合物的药物组合物。