Abstract: Compounds of formula (I): wherein: n represents an integer of from 1 to 6 inclusive, X represents an oxygen atom or an NR6 group, Y represents a carbon atom or a nitrogen atom, Z represents a carbon atom or a nitrogen atom, R1 and R2 represent a hydrogen atom or an alkyl or arylalkyl group, R3 and R4 represent a hydrogen atom or an alkyl group, R5 represents a hydrogen atom or an alkyl, halogen, hydroxy, alkoxy, cyano, nitro, acyl, alkoxycarbonyl, trihaloalkyl, trihaloalkoxy or optionally substituted amino group, R6 represents a hydrogen atom or an alkyl or arylalkyl group, Ra, Rb, Rc, Rd and Re are as defined in the description. Medicinal products containing the same which are useful as specific nicotinic ligands of ?4?2 receptors.

Abstract: A compound selected from those of formula (1): wherein: n represents an integer from 1 to 6 inclusive, R1 and R2 represent a hydrogen atom, a (C1-C6)alkyl group or an aryl-(C1-C6)alkyl group, R3 and R4 represent a hydrogen atom or a (C1-C6)alkyl group, R5 and R6 represent a hydrogen atom or a (C1-C6)alkyl, halogen, hydroxy, (C1-C6)alkoxy, cyano, nitro, (C2-C6)acyl, (C1-C6)alkoxycarbonyl, (C1-C6)trihaloalkyl or (C1-C6)-trihaloalkoxy group or an optionally substituted amino group, R7 represents a hydrogen atom, a (C1-C6)alkyl group or an arylalkyl group, its enantiomers, diastereoisomers and additional salts thereof with a pharmaceutically acceptable acid or base. Medicinal products containing the same which are useful in the treatment of conditions requiring a specific nicotinic ligand of ?4?2 receptors.

Abstract: A compound selected from those of formula (I): wherein: n represents an integer from 1 to 6 inclusive, R1 and R2 represent a hydrogen atom, a (C1-C6)alkyl group or an aryl-(C1-C6)alkyl group, R3 and R4 represent a hydrogen atom or a (C1-C6)alkyl group, R5 and R6 represent a hydrogen atom or a (C1-C6)alkyl, halogen, hydroxy, (C1-C6)alkoxy, cyano, nitro, (C2-C6)acyl, (C1-C6)alkoxycarbonyl, (C1-C6)trihaloalkyl or (C1-C6)-trihaloalkoxy group or an optionally substituted amino group, R7 represents a hydrogen atom, a (C1-C6)alkyl group or an arylalkyl group, its enatiomers, diastereoisomers and additional salts thereof with a pharmaceutically acceptable acid or base. Medicinal products containing the same which are useful in the treatment of conditions requiring a specific nicotinic ligand of ?4?2 receptors.

Abstract: A compound selected from those of formula (I): wherein: n represents an integer from 1 to 6 inclusive, R1 and R2 represent a hydrogen atom, a (C1-C6)alkyl group or an aryl-(C1-C6)alkyl group, R3 and R4 represent a hydrogen atom or a (C1-C6)alkyl group, R5 and R6 represent a hydrogen atom, or a (C1-C6)alkyl, halogen, hydroxy, (C1-C6)alkoxy, cyano, nitro, (C2-C6)acyl, (C1-C6)alkoxycarbonyl, (C1-C6)trihaloalkyl, (C1-C6)trihaloalkoxy or optionally substituted amino group, its enantiomers, diastereoisomers and additional salts thereof with a pharmaceutically acceptable acid or base. Medicinal products containing the same which are useful in the treatment of conditions requiring a specific nicotinic ligand of ?4?2 receptors.

Abstract: A compound selected from those of formula (I): wherein: n represents an integer from 1 to 6 inclusive, R1 and R2 represent a hydrogen atom, a (C1-C6)alkyl group or an aryl-(C1-C6)alkyl group, R3 and R4 represent a hydrogen atom or a (C1-C6)alkyl group, R5 and R6 represent a hydrogen atom or a (C1-C6)alkyl, halogen, hydroxy, (C1-C6)alkoxy, cyano, nitro, (C2-C6)acyl, (C1-C6)alkoxycarbonyl, (C1-C6)trihaloalkyl or (C1-C6)-trihaloalkoxy group or an optionally substituted amino group, R7 represents a hydrogen atom, a (C1-C6)alkyl group or an arylalkyl group, its enatiomers, diastereoisomers and additional salts thereof with a pharmaceutically acceptable acid or base. Medicinal products containing the same which are useful in the treatment of conditions requiring a specific nicotinic ligand of ?4?2 receptors.

Abstract: A compound selected from those of formula (I): wherein: n represents an integer from 1 to 6 inclusive, R1 and R2 represent a hydrogen atom, a (C1-C6)alkyl group or an aryl-(C1-C6)alkyl group, R3 and R4 represent a hydrogen atom or a (C1-C6)alkyl group, R5 and R6 represent a hydrogen atom, or a (C1-C6)alkyl, halogen, hydroxy, (C1-C6)alkoxy, cyano, nitro, (C2-C6)acyl, (C1-C6)alkoxycarbonyl, (C1-C6)trihaloalkyl, (C1-C6)trihaloalkoxy or optionally substituted amino group, its enantiomers, diastereoisomers and additional salts thereof with a pharmaceutically acceptable acid or base. Medicinal products containing the same which are useful in the treatment of conditions requiring a specific nicotinic ligand of ?4?2 receptors.

Abstract: A compound selected from those of formula (I): wherein: p represents an integer of from 0 to 6 inclusive, n represents an integer of from 0 to 6 inclusive, R1, and R2 represent a group selected from hydrogen, alkyl, aryl and arylalkyl, or R1+R2 form together with nitrogen carrying them saturated, monocyclic, or bicyclic system, X represents a group selected from oxygen, sulphur, a group —CH?CH—, methylene, a group of formula —HC?N—O— and a group of formula —O—CH2—CH?CH—, in which groups oxygen is linked to Y of the compounds of formula (I), Y represents a group selected from aryl, heteroaryl, arylalkyl, heteroarylalkyl, —C(O)-A, and —C(S)-A, A represents a group selected from alkyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, and NR3R4 wherein R3, and R4 represent a group selected from hydrogen, alkyl, aryl, and arylalkyl, or R3+R4 form together with nitrogen carrying them monocyclic, or bicyclic (C3-C10) system, its isomers and addition salts thereof with a pharmaceutically-acceptable acid or base, a

Abstract: A compound selected from those of formula (1): wherein: p represents an integer of from 0 to 6 inclusive, n represents an integer of from 0 to 6 inclusive, R1, and R2 represent a group selected from hydrogen, alkyl, aryl and arylalkyl, or R1+R2 form together with nitrogen carrying them saturated, monocyclic, or bicyclic system, X represents a group selected from oxygen, sulphur, a group —CH?CH—, methylene, a group of formula —HC?N—O— and a group of formula —O—CH2—CH?CH—, in which groups oxygen is linked to Y of the compounds of formula (I), Y represents a group selected from aryl, heteroaryl, arylalkyl, heteroarylalkyl, —C(O)-A, and —C(S)-A, A represents a group selected from alkyl, aryl, heteroaryl, arylalkyl, heteroarylalkyl, and NR3R4 wherein R3, and R4 represent a group selected from hydrogen, alkyl, aryl, and arylalkyl, or R3+R4 form together with nitrogen carrying them monocyclic, or bicyclic (C3-C10) system, its isomers and addition salts thereof with a pharmaceutically-acceptable acid or base,

Abstract: A compound selected from those of formula (I): 1

Abstract: The compounds of formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7, R.sub.8 and A are as defined in the description, their optical isomers and N-oxides, and pharmaceutically acceptable addition salts thereof with an acid or base, and the use thereof as anti-tumor agents.

Abstract: A compound of formula (I): ##STR1## wherein Ra represents linear or branched (C.sub.1 -C.sub.8)alkylene,Rb represents single bond, or linear or branched (C.sub.1 -C.sub.6)alkylene,Z represents thiocarbamate, or thioamide, each being optionally substituted,T represents optionally substituted morpholino,its isomers, and pharmaceutically-acceptable acid or base addition salts thereof, and medicinal products containing the same which are useful in the treatment of disease for which the use of anti-oxidation agent is required.

Abstract: Compounds of the formula: ##STR1## in which R.sub.1, R.sub.2, A and B are as defined in the description, their optical isomers, N-oxides and addition salts with a phar-maceutically acceptable acid, and their use as anti-tumor agents.

Abstract: The compounds of formula: ##STR1## in which: R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and A are as defined in the description, their optical isomers and N-oxides and addition salts thereof with a pharmaceutically acceptable acid or base, and their use as anti-tumour agents.

Abstract: New substituted 2,2-dimethyl-.omega.-phenoxyalkanoic acids and esters of formula: ##STR1## wherein: X, A, B, R, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and Z are as defined in the specification,The corresponding enantiomers and diastereoisomers, and the physiologically tolerable salts thereof with appropriate bases.The products of the invention may be used therapeutically.

Abstract: The invention provides new compounds pertaining to the class of:aryl methoxy phenyl alkyl heterocyclic spiro compounds, enantiomers, diastereoisomers and physiologically-tolerable salts thereof.For example:8-{2-?3-quinol-2-yl methoxy)phenyl!ethyl}-3,8-diaza-1-oxa-2-oxo spiro?4,5!decane is described.Medicinal products containing the same are useful in the treatment of any pathology involving modifications of leukotriene metabolism.

Abstract: New substituted phenoxyisobutyric acids and esters that can be used as medicaments and correspond to the formula: ##STR1## wherein X, A, R, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and Z are as defined in the description.Those compounds and their physiologically tolerable salts can be used therapeutically.

Abstract: New substituted phenoxyisobutyric acids and esters that can be used as medicaments and correspond to the formula: ##STR1## wherein X, A, R, R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and Z are as defined in the description.Those compounds and their physiologically tolerable salts can be used therapeutically.

Abstract: The compounds are 8-substituted 1-oxa-2-oxo-3,8-diazaspiro [4.5]decanes useful for the treatment of dyslipidaemiae, atherosclerosis and pathologies in which membrane lipid peroxidation plays an initiating and/or aggravating role.A compound disclosed is (R,S)-8-[3(3,5-di-tert.-butyl-4-hydroxyphenylthio)-2-hydroxypropyl]-1-oxa- 2oxo-3,8-diazaspiro [4.5]decane.

Abstract: 1,3,7-trimethyl-8-[3-(4-diethylaminocarbonyl-piperazino) propyl] xanthine and physiologically tolerable acid addition salts thereof may be used for the preparation of medicaments for the treatment of memory disorders, intellectual disorders of ageing, and Alzheimer's disease.

Abstract: New morpholine compounds of the formula: ##STR1## in which: X, bonded to the aromatic nucleus, represents halogen or trifluoromethyl and R' represents hydrogen, (C.sub.1 -C.sub.5)alkyl optionally including a double bond, or aralkyl; in racemic and enantiomeric forms, and physiologically tolerable acid addition salts theroef.These compounds and their physiologically tolerable salts can be used therapeutically especially in the treatment of ischaemic syndromes and cerebral ageing.