申请人:Pierre Fabre Medicament
公开号:US05198441A1
公开(公告)日:1993-03-30
New derivatives of 1,2-dihydro 2-oxo quinoxalines corresponding to the general formula I: ##STR1## in which: R is a hydrogen or halogen atom R.sub.1 is a hydrogen atom or a straight or branched C.sub.1 -C.sub.4 alkyl radical R.sub.2 is: a hydrogen atom a C(O)R.sub.4 radical in which R.sub.4 is a straight or branched C.sub.1 -C.sub.4 alkyl group a C(O)NHR.sub.5 radical in which R.sub.5 is a straight or branched C.sub.1 -C.sub.4 alkyl radical or a phenyl group A is a C.sub.1 -C.sub.4 alkaline chain R.sub.3 represents: a hydrogen atom, a C.sub.1 -C.sub.4 alkyl radical, a C.sub.3 -C.sub.6 cycloalkyl radical, an alcynyl, nitrile, hydroxyl, carboxamido, pyridyl, phenyl group, or a phenyl group substituted by a halogen atom, a C.sub.1 -C.sub.4 alkyl group, a C.sub.1 -C.sub.4 alkoxy group or a nitro group an alkenyl radical of the formula: ##STR2## in which R.sub.6, R.sub.7 may, independently of each other, be a hydrogen atom, a C.sub.1 -C.sub.4 alkyl group, a phenyl group or an alkoxycarbonyl group a radical of the formula: --OC(O)R.sub.8 in which R.sub.8 represents a C.sub.1 -C.sub.4 alkyl radical a radical of the formula: --OC(O)NHR.sub.9 in which R.sub.9 represents a straight or branched C.sub.1 -C.sub.4 alkyl group, or a phenyl group may assume values from 2 to 4. as well as the therapeutically acceptable organic or inorganic salts of these molecules. The compounds are useful in the treatment of respiratory disorders.
1,2-二氢-2-酮喹喔啉的新衍生物对应于一般式I: 在其中:R是氢原子或卤素原子,R.sub.1是氢原子或直链或支链C.sub.1-C.sub.4烷基基团,R.sub.2是:氢原子,C(O)R.sub.4基团,其中R.sub.4是直链或支链C.sub.1-C.sub.4烷基团,C(O)NHR.sub.5基团,其中R.sub.5是直链或支链C.sub.1-C.sub.4烷基基团或苯基,A是C.sub.1-C.sub.4碱性链,R.sub.3代表:氢原子,C.sub.1-C.sub.4烷基基团,C.sub.3-C.sub.6环烷基基团,烯炔基,腈基,羟基,羧胺基,吡啶基,苯基,或受卤素原子取代的苯基,C.sub.1-C.sub.4烷基基团,C.sub.1-C.sub.4烷氧基团或硝基基团,一种烯基基团的式子:其中R.sub.6,R.sub.7可能独立地为氢原子,C.sub.1-C.sub.4烷基基团,苯基或烷氧羰基基团,一种式子的基团:--OC(O)R.sub.8,其中R.sub.8代表C.sub.1-C.sub.4烷基基团,一种式子的基团:--OC(O)NHR.sub.9,其中R.sub.9代表直链或支链C.sub.1-C.sub.4烷基基团,或苯基,可能取值为2到4,以及这些分子的在治疗上可接受的有机或无机盐。这些化合物在呼吸系统疾病的治疗中很有用。