申请人:Synthelabo
公开号:US04690931A1
公开(公告)日:1987-09-01
Compounds of the formula: ##STR1## wherein R.sub.1 is hydrogen, halogen, trifluoromethyl, alkyl, hydroxyl, alkyoxy, benzyloxy, alkanoyloxy, or benzoyloxy, or when R.sub.2 is hydroxyl or methoxy in the 4-position and R.sub.3 is hydrogen, R.sub.1 may also represent hydroxymethyl carbamoyl or alkoxycarbonyl, R.sub.2 is hydrogen, halogen, alkyl, hydroxyl, or alkoxy, R.sub.3 is hydrogen or alkyl, R.sub.4 is alkyl (in which case the compounds are (.+-.)-erythro) or when R.sub.3 represents hydrogen, R.sub.4 may also be hydrogen, and R.sub.5 is hydrogen, halogen, alkyl, alkoxy, or three methoxy groups in the 3-, 4- and 5-positions and pharmaceutically acceptable acid addition salts thereof, with the exclusion of compounds wherein: (a) one of R.sub.1 and R.sub.2 is in the 4-position and is hydroxyl, alkoxy or benzyloxy, the other is in the 3-position and is hydrogen, hydroxyl, alkoxy or benzyloxy, and R.sub.3 and R.sub.5 are hydrogen and wherein: (b) R.sub.1 is in the 4-position and is halogen, R.sub.4 is methyl and R.sub.2, R.sub.3 and R.sub.5 are hydrogen, are useful as medicaments.
该配方的化合物:##STR1##
其中R.sub.1是氢,卤素,三氟甲基,烷基,羟基,烷氧基,苄氧基,烷酰氧基或苯甲酰氧基,或当R.sub.2在4位上为羟基或甲氧基,而R.sub.3为氢时,R.sub.1也可以表示羟甲基氨基甲酰或烷氧羰基,R.sub.2是氢,卤素,烷基,羟基或烷氧基,R.sub.3是氢或烷基,R.sub.4是烷基(在这种情况下,化合物是(.+-.)-erythro),或当R.sub.3表示氢时,R.sub.4也可以是氢,而R.sub.5是氢,卤素,烷基,烷氧基或在3位,4位和5位上有三个甲氧基的苯甲氧基,以及其药学上可接受的酸盐,排除其中的化合物:(a)其中R.sub.1和R.sub.2之一在4位上为羟基,烷氧基或苄氧基,另一个在3位上为氢,羟基,烷氧基或苄氧基,而R.sub.3和R.sub.5为氢,其中:(b)R.sub.1在4位上为卤素,R.sub.4为甲基,而R.sub.2,R.sub.3和R.sub.5为氢,有用作药物。