申请人:U C B, Societe Anonyme
公开号:US04080449A1
公开(公告)日:1978-03-21
New physiologically active 1,2,4,5-tetrahydro-3H-2-benzazepin-3-ones having the general formula ##STR1## wherein R.sub.1 is hydrogen or phenyl, R.sub.2 is hydrogen, alkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.1 -C.sub.4 -acyl, hydroxyalkyl, alkoxyalkyl, mono- or dialkylaminoalkyl, cyanoalkyl, alkoxyacetyl, carbamoylalkyl, acetamido-C.sub.2 -C.sub.5 -alkyl, alkoxycarbonylalkyl or (tetrahydro-2H-pyran-2-yloxy)alkyl, the alkyl and the alkoxy radicals having 1 to 5 carbon atoms, R.sub.4 is hydrogen or C.sub.1 -C.sub.4 -alkyl, R.sub.5 is hydrogen, C.sub.1 -C.sub.4 -alkyl or phenyl, R.sub.7 is hydrogen, halogen or C.sub.1 -C.sub.4 -alkoxy and R.sub.8 is hydrogen, halogen or C.sub.1 -C.sub.4 -alkyl, at least one of the symbols R.sub.1 to R.sub.8 being other hydrogen, processes for the preparation thereof and pharmaceutical compositions containing the same. In particular, the compounds of this invention are useful in the treatment of memory disorders.
新的生理活性1,2,4,5-四氢-3H-2-苯并哌啶-3-酮具有一般化学式##STR1##其中R.sub.1是氢或苯基,R.sub.2是氢,烷基,C.sub.3 -C.sub.6 -烯基,C.sub.1 -C.sub.4 -酰基,羟基烷基,烷氧基烷基,单烷基或双烷基氨基烷基,氰基烷基,烷氧乙酰基,氨基甲酰烷基,乙酰胺-C.sub.2 -C.sub.5 -烷基,烷氧羰基烷基或(四氢-2H-吡喃-2-氧基)烷基,烷基和烷氧基基团含有1至5个碳原子,R.sub.4是氢或C.sub.1 -C.sub.4 -烷基,R.sub.5是氢,C.sub.1 -C.sub.4 -烷基或苯基,R.sub.7是氢,卤素或C.sub.1 -C.sub.4 -烷氧基,R.sub.8是氢,卤素或C.sub.1 -C.sub.4 -烷基,R.sub.1至R.sub.8中至少一个符号不是氢,其制备方法和含有相同的药物组合物。特别地,本发明的化合物在治疗记忆障碍方面是有用的。