New thiadiazoles and oxadiazoles and their use as...

C - Chemistry – Metallurgy – 07 – D

Patent

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C07D 285/135 (2006.01) A61K 31/4245 (2006.01) A61K 31/433 (2006.01) A61K 31/439 (2006.01) A61K 31/4439 (2006.01) A61K 31/4709 (2006.01) A61K 31/497 (2006.01) A61K 31/55 (2006.01) A61P 29/00 (2006.01) A61P 37/00 (2006.01) C07D 271/113 (2006.01) C07D 417/04 (2006.01) C07D 417/10 (2006.01) C07D 417/12 (2006.01) C07D 417/14 (2006.01) C07D 453/02 (2006.01)

Patent

CA 2424279

The invention provides 1,3,4-thiadiazoles and 1,3,4-oxadiazoles having the following formula (I):in which, Y is S or O,R1 is alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, cycloalkenyl, aryl, heteroaryl or a polycyclic group, optionally substituted,R2 is alkyl, alkenyl, alkynyl, cycloalkyl, heterocycloalkyl, cycloalkenyl or aryl optionally substituted,R3 is X2-R'3, in which X2 is a binding group and R'3 is cycloalkyl, heterocycloalkyl, cycloalkenyl, aryl, heteroaryl, or a polycyclic group; optionally substituted,or their pharmaceutically acceptable derivatives,the process for their preparation and their use for the manufacture of a medicament for the treatment of disorders for which a treatment by a PDE7 inhibitor is relevant.

L'invention concerne des 1,3,4-thiadiazoles et des 1,3,4-oxadiazoles de formule suivante (I): dans laquelle, Y désigne S ou O, R1 représente un alkyle, alcényle, un alcynyle, un cycloalkyle, un hétérocycloalkyle, un cycloalcényle, un aryle, un hétéroaryle ou un groupe polycyclique, éventuellement substitué, R2 désigne un alkyle, un alcényle, un alcynyle, un cycloalkyle, un hétérocycloalkyle, un cycloalcényle ou un aryle éventuellement substitué, R3 représente X¿2?-R'3 où X¿2? est un groupe de liaison et R'3 désigne un cycloalkyle, un hétérocycloalkyle, un cycloalcényle, un aryle, un hétéroaryle, ou un groupe polycyclique, éventuellement substitué, ou leurs dérivés acceptables sur le plan pharmaceutique. L'invention concerne également un procédé de préparation et d'utilisation destinés à la fabrication d'un médicament pour le traitement de troubles pour lesquels s'il s'avère nécessaire de recourir à un traitement par un inhibiteur PDE7.

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