| abstract |
Cyclic derivatives represented by the general formula in which the ring system represents piperidine, nor-tropane, 3-azabicyclo [3,2,2] nonane, 6-azabicyclo [3,2,1] octane, or tetrahydro-1,2,3,4-isoquinoline, optionally substituted by one or more alkyl groups, and X represents the residue CH₂-CH₂ or CH = CH (trans)n n n Use of these derivatives for the treatment of neurological and psychiatric conditions. |