Adir Et Compagnie

Raymond Houssin

Daniel Lesieur

Beatrice Guardiola

Said Yous

Jean Andrieux

Pierre Renard

Daniel-Henri Caignard

Patrick Depreux

Isabelle Lesieur

Marie-Claire Rettori

Thierry Taverne

Hamid Ait Mansour

Geard Adam

The invention relates to the compounds of formula (I): ##STR1## in which R.sub.1 and R.sup.2 are as defined in the description, the optical isomers thereof, and an addition salt thereof with a pharmaceutically-acceptable acid or base, and medicinal product useful for treating a mammal afflicted with a disease associated with sigma receptors.

Aminoalkyl benzothiazolinones

Compounds of the formula: ##STR1## in which: A represents ##STR2## R represents linear or branched lower alkyl, R.sub.1 represents hydrogen or linear or branched lower alkyl, and

N-[2-(7-lower-alkoxynaphth-1-yl)ethyl]benzamides

Compounds of general formula: ##STR1## in which A and R are defined in the description. Medicaments containing the same and useful for the treatment of melatoninergic disorders.

Compounds having a naphthalene structure

Compounds of general formula: ##STR1## in which A and R are defined in the description.

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Marcq en Baroeul, France

Raymond Houssin