Cyclic amine and pharmacological composition

摘要

A cyclic amine is defined by the formula: <IMAGE> (I) in which A is naphthyl, phenyl, quinolyl or alkyl, X is a group containing carbonyl, n is 2 or 3 and B is alkyl, halogen, phenyl or -YZ, Y being -0-, -CO- or -NH-, Z being phenyl, naphthyl, pyridyl, alkyl or cycloalkyl. It is useful to treat a mental symptoms associated with a cerebrovascular disease.