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(11)    Patent No :    AP 2607    (73) Applicant(s)       
(21)    Application No :    AP/P/2008/004441    JANSSEN PHARMACEUTICA N.V., Turnhoutseweg 30,       
            B-2340, Beerse,       
                   
(22)    Filing Date :    24.10.2006    Belgium       
(24)    Date of Grant &    05.03.2013           
                   
(45)    Publication :

(30)  Priority Data    (72) Inventors

    (33) Country    (31) Number    (32) Date    DE BRUYN Marcel Frans Leopold, Belgium   
    EP            05110028.7    26.10.2005    MACDONALD Gregor, James, Belgium   
    EP            06100209.3    10.01.2006       
                        KENNIS Ludo Edmond Josephine, Belgium   
    EP            06101545.9    10.02.2006       
                               
    et al                            et al       
                                (74) Representative   
(84)    Designated State                   
                           
    BW    GM    GH    KE    LS    MW    MZ   NA   SL    HONEY & BLANCKENBERG   
                                       
    SD    SZ    T Z    UG    ZM    ZW               
(51)    International    Classification    C07D 401/12 (2006.01)    A61K 31/501 (2006.01)   
                            A61P 25/00 (2006.01)       


(54)    Title

Piperidin-4-yl-pyridazin-3-ylamine derivatives as fast dissociating dopamine 2 receptor antagonists

(57)    Abstract

The present invention relates to compounds that are fast dissociating dopamine 2 receptor antagonists, processes for preparing these compounds, pharmaceutical compositions comprising these compounds as an active ingredient. The compounds find utility as medicines for treating or preventing central nervous system disorders, for example schizophrenia, by exerting an antipsychotic effect without motor side effects.

(56)    Documents Cited :    WO 99/09025 A2    MORAGUES J et al

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