Piperidinoalkyl-Derivate von Carbonsäure-Amiden

The present invention relates to unsaturated carboxylic acid amide derivatives of the formula wherein ring A stands for an optionally substituted aromatic ring; R stands for a hydrogen atom or an optionally substituted hydrocarbon residue or forms an optionally substituted carbocyclic ring with the adjacent group -CH=C- together with two carbon atoms constituting the ring A; R stands for a hydrogen atom, an optionally substituted hydrocarbon residue or an optionally substituted acyl group; R stands for an optionally substituted hydrocarbon residue; and n denotes an integer ranging from 2 to 6, and salts thereof, as well as the production thereof. The compounds of the present invention act on the central nervous system of mammals and has a strong anti-cholinesterase activity, which can be used for the prophylaxis and therapy of, for example, senile dementia, Alzheimer's diseases, Huntington's chorea, et., and are useful as medicines.