Abstract: Compounds useful in the treatment of Alzheimer's disease, senile dementia, or memory disorders which have the formula ##STR1## in which R represents a hydrogen atom, a linear, branched or cyclic alkyl radical, saturated or unsaturated, containing up to 8 carbon atoms, possibly substituted by a free or esterified carboxy radical or R represents an aralkyl radical containing up to 10 carbon atoms and R' represents a linear or branched, saturated or unsaturated, alkyl radical, containing up to 8 carbon atoms, a radical --COalk.sub.1 or a radical --(CH.sub.2).sub.2 N(alk.sub.2).sub.2, alk.sub.1 and alk.sub.2 representing an alkyl radical containing up to 8 carbon atoms, as well as their addition salts with acids. Also compositions containing the same, method of preparation and method of treatment using the same.

Abstract: Compounds useful in the treatment of Alzheimer's disease, senile dementia, or memory disorders which have the formula ##STR1## in which R represents a hydrogen atom, a linear, branched or cyclic alkyl radical, saturated or unsaturated, containing up to 8 carbon atoms, possibly substituted by a free or esterified carboxy radical or R represents an aralkyl radical containing up to 10 carbon atoms and R' represents a linear or branched, saturated or unsaturated, alkyl radical, containing up to 8 carbon atoms, a radical --COalk.sub.1 or a radical --(CH.sub.2).sub.2 N(alk.sub.2).sub.2, alk.sub.1 and alk.sub.2 representing an alkyl radical containing up to 8 carbon atoms, as well as their addition salts with acids. Also compositions containing the same, method of preparation and method of treatment using the same.

Abstract: Compounds useful in the treatment of patients suffering from senile dementia, Alzheimer's disease or memory defects, of the formula ##STR1## in which R' represents hydrogen, a linear, branched or cyclic alkyl, alkenyl or alkynyl, containing up to 8 carbon atoms, and R represents a linear, branched or cyclic alkyl, alkenyl, or alkynyl, containing up to 18 carbon atoms, possibly substituted, aryl containing up to 14 carbon atoms, possibly substituted, aralkyl containing up to 18 carbon atoms, possibly substituted, as well as their addition salts with organic or mineral acids, and to compounds of formula (I) in which R represents phenyl substituted in the 4 position by Br, F, CH.sub.3, NO.sub.2 or C(CH.sub.3).sub.2 C(CH.sub.3).sub.3 and R' represents CH.sub.3.

Abstract: Compounds useful in the treatment of Alzheimer's disease, senile dementia, or memory disorders which have the formula ##STR1## in which R represents a hydrogen atom, a linear, branched or cyclic alkyl radical, saturated or unsaturated, containing up to 8 carbon atoms, possibly substituted by a free or esterified carboxy radical or R represents an aralkyl radical containing up to 10 carbon atoms and R' represents a linear or branched, saturated or unsaturated, alkyl radical, containing up to 8 carbon atoms, a radical --COalk.sub.1 or a radical --(CH.sub.2).sub.2 N(alk.sub.2).sub.2, alk.sub.1 and alk.sub.2 representing an alkyl radical containing up to 8 carbon atoms, as well as their addition salts with acids. Also compositions containing the same, method of preparation and method of treatment using the same.

Abstract: Compounds useful in the treatment of Alzheimer's disease, senile dimentia and memory disorders of the formula ##STR1## in which R represents hydrogen, hydroxyl, a linear, branched or cyclic, saturated or unsaturated, alkyl, containing up to 8 carbon atoms, possibly substituted by free or esterified carboxy or R represents aralkyl containing up to 10 carbon atoms or --COOZ in which Z represents a linear, branched or cyclic saturated or unsaturated, alkyl containing up to 8 carbon atoms and R.sub.2 represents hydrogen or a linear or branched, saturated or unsaturated alkyl containing up to 8 carbon atoms, COalk.sub.1 radical or (CH.sub.2).sub.2 N(alk.sub.2).sub.2, alk.sub.1 and alk.sub.2 representing an alkyl containing up to 8 carbon atoms, as well as their addition salts with acids provided that if R represents an alkyl R.sub.2 does not represent hydrogen; also therapeutic compositions containing at least one said compound and method of treating patients with said compounds.

Abstract: The subject of the invention is the compounds of formula (I): ##STR1## in which: R represents a hydrogen atom, a saturated or unsaturated, linear, branched or cyclic alkyl radical containing up to 8 carbon atoms,R' represents an amine-containing moiety of an .alpha.-amino acid or a peptide, containing as an end group an amine-containing moiety of an .alpha.-amino acid as well as their addition salts with organic or mineral acids.The compounds of formula (I) have useful pharmacological properties which justify their use in therapeutics.

Abstract: 1-arylsulphonyl-2-pyrrolidone derivatives for treating spasmodic disorders in gastro-enterology, in gynaecology, in obstetrics, in urology; intermediates in the preparation of such products; methods for preparing such products and pharmaceutical preparations containing such products.

Abstract: Compounds of the formula ##STR1## which have a long-lasting cholinomimetic activity by oral route. Also disclosed are methods for preparing the compounds and pharmaceutical compositions containing the compounds.

Abstract: Compounds useful in the treatment of Alzheimer's disease, senile dementia or memory disorders of the aged of the formula ##STR1## in which n represents the number 1, 2 or 3,R.sub.1 and R.sub.2, identical or different, represent hydrogen, a linear, branched or cyclic alkyl, alkenyl, or alkynyl which contain up to 6 carbon atoms, R.sub.1 and R.sub.2 optionally substituted by hydroxy, alkoxy containing up to 6 carbon atoms, aralkyl containing up to 14 carbon atoms, a COOalk.sub.1 radical in which alk.sub.1 represents alkyl containing up to 6 carbon atoms, a --CON(alk.sub.2).sub.2 radical in which alk.sub.2 represents alkyl containing up to 6 carbon atoms, the radical --C(R.sub.1).dbd.NOR.sub.2 being in position 2, 3 or 4, in all their isomer forms and their mixture, as well as their addition salts with pharmaceutically acceptable organic or mineral acids. Also therapeutic compositions containing the compound, method of treatment and method of preparation.

Abstract: Compounds of formula (I) ##STR1## in which X represents oxygen or sulphur, R.sub.1 represents hydrogen, a linear, branched or cyclic alkyl containing up to 8 carbon atoms, an alkenyl or alkynyl containing up to 6 carbon atoms, hydroxyl, an OCOalk.sub.1 radical in which alk.sub.1 represents alkyl containing up to 6 carbon atoms, an OCONHalk.sub.2 radical in which alk.sub.2 represents alkyl containing up to 6 carbon atoms, a CO.sub.2 alk.sub.3 radical in which alk.sub.3 represents alkyl or alkenyl containing up to 6 carbon atoms, an Oalk.sub.4 radical in which alk.sub.4 represents alkyl containing up to 6 carbon atoms, an OCOAr.sub.1, OCONHAr.sub.2 or CO.sub.2 Ar.sub.3 radical in which Ar.sub.1, Ar.sub.2 or Ar.sub.3 represents aryl containing up to 14 carbon atoms, R.sub.2 represents hydrogen, a linear, branched or cyclic alkyl containing up to 6 carbon atoms, alkenyl or alkynyl containing up to 6 carbon atoms, an alkoxyalkyl alk'.sub.1 Oalk'.sub.2 radical in which alk'.sub.1 and alk'.sub.

Abstract: Compounds useful in the treatment of Alzheimers's disease, senile dementia or memory disorders of the aged of the formula ##STR1## in which n represents the number 1, 2 or 3,R.sub.1 and R.sub.2, identical or different, represent hydrogen, a linear, branched or cyclic alkyl, alkenyl, or alkynyl which contain up to 6 carbon atoms, R.sub.1 and R.sub.2 optionally substituted by hydroxy, alkoxy containing up to 6 carbon atoms, aralkyl containing up to 14 carbon atoms, a COOalk.sub.1 radical in which alk.sub.1 represents alkyl containing up to 6 carbon atoms, a --CON(alk.sub.2).sub.2 radical in which alk.sub.2 represents alkyl containing up to 6 carbon the radical --C(R.sub.1).dbd.NOR.sub.2 being in position 2, 3 or 4, in all their isomer forms and their mixture, as well as their addition salts with pharmaceutically acceptable organic or mineral acids. Also therapeutic compositions containing the compounds, method of treatment and method of preparation.

Abstract: Derivatives of 3-piperidine carbaldehyde oxime having the formula ##STR1## process for preparing the same, therapeutic compositions containing the same, and method of use in treating patients suffering from Alzheimer's disease, senile dementia, or memory disorders in the aged.

Abstract: Compounds useful in the treatment of patients suffering from senile dementia, Alzheimer's disease, or memory defects, of the formula ##STR1## in which R' represents hydrogen, a linear, branched or cyclic alkyl, alkenyl or alkynyl, containing up to 8 carbon atoms, and R represents a linear, branched or cyclic alkyl, alkenyl, or alkynyl, containing up to 18 carbon atoms, possibly substituted, aryl containing up to 14 carbon atoms, possibly substituted, aralkyl containing up to 18 carbon atoms, possibly substituted, as well as their addition salts with organic or mineral acids.

Abstract: Compounds useful in the treatment of patients suffering from senile dementia, Alzheimer's disease or memory defects, of the formula ##STR1## in which R represents hydrogen or a linear, branched or cyclic alkyl, alkenyl, or alkynyl, containing up to 8 carbon atoms, or the radical ##STR2## in which R.sub.1 represents a linear or branched, alkyl, alkenyl or alkynyl, containing up to 8 carbon atoms, a linear or branched, saturated or unsaturated, alkoxy containing up to 8 carbon atoms, or aryl containing up to 14 carbon atoms, or the radical ##STR3## in which R.sub.2 represents a linear or branched alkyl, alkenyl or alkynyl, containing up to 8 carbon atoms, aryl containing up to 14 carbon atoms, possibly substituted, or aralkyl containing up to 18 carbon atoms, possibly substituted, and R' represents a linear, branched or cyclic alkyl, alkenyl or alkynyl, containing up to 8 carbon atoms, as well as their addition salts with organic or mineral acids.