Heterocyclic urea derivatives and their use as dopamine d3...

C - Chemistry – Metallurgy – 07 – D

Patent

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C07D 498/04 (2006.01) A61K 31/381 (2006.01) A61K 31/496 (2006.01) A61P 25/18 (2006.01) C07D 231/00 (2006.01) C07D 261/00 (2006.01) C07D 333/54 (2006.01) C07D 333/62 (2006.01) C07D 333/66 (2006.01) C07D 451/02 (2006.01) C07D 495/04 (2006.01) C07D 521/00 (2006.01)

Patent

CA 2438316

The invention relates to heterocyclic substituted urea derivatives of the formula (I) that display selective binding to dopamine D3 receptors. In another aspect, the invention relates to a method for treating central nervous system disorders associated with the dopamine D3 receptor activity in a patient in need of such treatment comprising administering to the subject a therapeutically effective amount of said compounds for alleviation of such disorder. The central nervous system disorders that may be treated with these compounds include Psychotic Disorders, Substance Dependence, Substance Abuse, Dyskinetic Disorders (e.g. Parkinson's Disease, Parkinsonism, Neuroleptic- Induced Tardive Dyskinesia, Gilles de la Tourette Syndrome and Huntington's Disease), Dementia, Anxiety Disorders, Sleep Disorders, Circadian Rhythm Disorders and Mood Disorders. The subject invention is also directed towards processes for the preparation of the compounds described herein as well as methods for making and using the compounds as imaging agents for dopamine D3 receptors.

L'invention concerne des dérivés d'urée hétérocycliques substitués qui se lient de façon sélective aux récepteurs de la dopamine D¿3?. Dans un autre aspect, l'invention une méthode de traitement des troubles du système nerveux central associés à l'activité des récepteurs de la dopamine D¿3? chez un patient nécessitant un tel traitement. Cette méthode consiste à administrer au patient une quantité efficace du point de vue thérapeutique desdits composés afin de soulager ces troubles. Les troubles du système nerveux central pouvant être traités à l'aide desdits composés comprennent les troubles psychotiques, la dépendance à des substances toxiques, l'abus de substances toxiques, les troubles dyskinétiques (par exemple la maladie de Parkinson, le syndrome parkinsonien, la dyskinésie tardive secondaire aux neuroleptiques, le syndrome de Gilles de la Tourette et la maladie de Huntington, la démence, les troubles anxieux, les troubles du sommeil, les troubles du rythme circadien et les troubles de l'humeur. L'invention concerne également des procédés de préparation desdits composés ainsi que des méthodes permettant d'élaborer et d'utiliser ces composés en tant qu'agents d'imagerie pour les récepteurs de la dopamine D¿3?.

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