7-[(piperidin-1-yl)-propoxy]-chromen-4-one derivatives,...

C - Chemistry – Metallurgy – 07 – D

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C07D 413/14 (2006.01) A61K 31/465 (2006.01)

Patent

CA 2282596

7-[3-[4-(6-Fluorobenzo[d]isoxazol-3-yl)piperidin-1-yl]propoxy]-chromen-4-one derivatives having formula (I) wherein R is hydrogen, CHO, CH2OR2 or COOH; R1 is hydrogen or CH2OH; and R2 is alkyl having 1 to 4 carbon atoms with the proviso that one of substituents R and R1 should be hydrogen, as well as their pharmaceutically acceptable salts. The process for their preparation and the pharmaceutical compositions containing them are also described. The compounds are new and are useful in the treatment of psychosis, schizophrenia and allergy.

L'invention concerne des dérivés 7-[3-[4-(6-fluorobenzo[d]isoxazol-3-yl(pipéridine-1-yl)-propoxy]-chromène-4-one, de formule (I), dans laquelle R est hydrogène, CHO, CH¿2?OR¿2? ou COOH; R¿1? est hydrogène ou CH¿2?OH; et R¿2? est alkyle renfermant 1 à 4 atomes de carbone, à condition que R ou R¿1? soit hydrogène; ainsi que leurs sels pharmaceutiquement acceptables. L'invention concerne également un procédé permettant de les préparer et des compositions pharmaceutiques les contenant. Ces composés sont nouveaux et utiles pour le traitement des psychoses, de la schizophrénie et de l'allergie.

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