申请人:Chinoin Gyogyszer-es Vegyeszeti Termekek Gyara R.T.
公开号:US04565817A1
公开(公告)日:1986-01-21
Antitussive compounds of the formula I ##STR1## or physiologically acceptable acid addition salts thereof are disclosed, where A stands for straight or branched chain C.sub.1-5 alkylene or ##STR2## R.sub.1 stands for straight or branched chain C.sub.1-10 alkyl, halogenoalkyl, hydroxyalkyl, C.sub.5-6 cycloalkyl, vinyl, 2-ethoxyethyl, carbonylalkyl or aminoalkyl of the formula ##STR3## wherein R stands for hydrogen or methyl, n is 0 to 3, R.sub.2 stands for hydrogen or straight or branched chain alkyl, R.sub.3 stands for hydrogen or straight or branched chain alkyl or, R.sub.2 and R.sub.3 together with the nitrogen atom may form a 5-6 membered ring, which ring can optionally contain an oxygen or a second nitrogen atom, the latter, optionally substituted by methyl or, R.sub.1 can stand for a phenyl group of the formula R.sub.4 R.sub.5 C.sub.6 H.sub.3 wherein R.sub.4 and R.sub.5 represent independently hydrogen, chlorine, hydroxy, methoxy, ethoxy, methyl or amino or, R.sub.1 may further stand for hydroxy, in this case the compound of the formula I may exist according to the conditions in the form of tautomers of the formula Ia ##STR4## and R.sub.1 may further stand for benzyl, 2,2-diphenylethyl or theophyllin-7-yl-methyl.
公开了具有以下结构的止咳化合物或其生理上可接受的酸盐,其中A代表直链或支链C.sub.1-5烷基或##STR2##,R.sub.1代表直链或支链C.sub.1-10烷基,卤代烷基,羟基烷基,C.sub.5-6环烷基,乙烯基,2-乙氧基乙基,羰基烷基或##STR3##,其中R代表氢或甲基,n为0至3,R.sub.2代表氢或直链或支链烷基,R.sub.3代表氢或直链或支链烷基,或者R.sub.2和R.sub.3与氮原子一起可以形成5-6元环,该环可以选择性地含有氧或第二个氮原子,后者可以选择性地被甲基取代,或者R.sub.1可以代表具有以下结构的苯基团R.sub.4 R.sub.5 C.sub.6 H.sub.3,其中R.sub.4和R.sub.5独立地代表氢,氯,羟基,甲氧基,乙氧基,甲基或氨基,或者R.sub.1还可以代表羟基,在这种情况下,根据式I的条件,化合物可以存在为式Ia的互变异构体,而R.sub.1还可以代表苄基,2,2-二苯基乙基或茶碱-7-基-甲基。