abstract |
Novel azacyclic compounds selected from the group consisting of ##STR1## wherein R 1 is H or C 1-6 -alkyl n R 3 is ##STR2## R" is H or C 1-8 -alkyl or C 1-6 -alkoxy or C 1-4 -alkoxy-C 1-4 -alkyl or aryl, and n R 4 is H, C 1-8 -alkyl or Cl; n and a salt thereof with a pharmaceutically-acceptable acid. n The new compounds are useful in improving the cognitive functions of the forebrain and hippocampus of mammals, and are useful in the treatment of Alzheimer's disease. |