The invention pertains to heteroaromatic compounds of the formula I,
as defined herein, that serve as effective phosphodiesterase (PDE) inhibitors. In particular, the invention relates to said compounds which are selective inhibitors of PDE10. The invention also relates to pharmaceutical compositions comprising said compounds; and the use of said compounds in a method for treating certain central nervous system (CNS) or other disorders.
[EN] The invention pertains to heteroaromatic compounds of the formula I, as defined herein, that serve as effective phosphodiesterase (PDE) inhibitors. In particular, the invention relates to said compounds which are selective inhibitors of PDE10. The invention also relates to pharmaceutical compositions comprising said compounds; and the use of said compounds in a method for treating certain central nervous system (CNS) or other disorders. [FR] L'invention concerne des composés hétéroaromatiques de formule (I), tels que définis dans la description, efficaces comme inhibiteurs de la phosphodiestérase (PDE). Plus particulièrement, l'invention concerne les composés qui sont des inhibiteurs sélectifs de la PDE10. L'invention concerne également des compositions pharmaceutiques comprenant ces composés ainsi que l'utilisation desdits composés dans une méthode de traitement de certains troubles du système nerveux central (SNC) ou d'autres troubles.