申请人:Hoffmann-La Roche Inc.
公开号:US04749791A1
公开(公告)日:1988-06-07
Benzazecinediones of the formula ##STR1## wherein R.sup.1 and R.sup.2 are independently hydrogen or chlorine, R.sup.3 is hydrogen, fluorine, chlorine, bromine or methoxy, R.sup.4 is hydrogen, chlorine or methoxy and R.sup.5 is hydrogen, acetyl, propionyl, benzoyl, chlorobenzoyl, methoxybenzoyl or phenylacetyl, with the proviso that 2 or 3 of the groups R.sup.1 to R.sup.4 are hydrogen, as well as many of the corresponding benzo[f]quinolines from which these benzazecinediones can be prepared by oxidation are suitable for the control or prevention of cerebral insufficiency or for the improvement of cognitive functions in mammals. They can be produced according to various processes and can be prepared into pharmaceutical compositions.
式为##STR1##的苯并氮烯二酮,其中R.sup.1和R.sup.2独立地为氢或氯,R.sup.3为氢、氟、氯、溴或甲氧基,R.sup.4为氢、氯或甲氧基,R.sup.5为氢、乙酰基、丙酰基、苯甲酰基、氯苯甲酰基、甲氧基苯甲酰基或苯乙酰基,但前提是R.sup.1到R.sup.4中的2或3个基团为氢,以及许多相应的苯并[f]喹啉,可以通过氧化制备这些苯并氮烯二酮,适用于控制或预防哺乳动物的脑血供不足或改善认知功能。它们可以根据不同的工艺制备,并可以制备成药物组成物。