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(11)    Patent No :    AP 2334    (73) Applicant(s)       
(21)    Application No :    AP/P/2007/004031    GLENMARK PHARMACEUTICALS, S.A., Chemin De La       
            Combeta 5, 2300 La Chaux-De-Fonds,       
                   
(22)    Filing Date :    15.12.2005    Switzerland       
(24)    Date of Grant &    06.12.2011           
                   
(45)    Publication :

(30)    Priority Data                    (72) Inventors   
    (33) Country    (31) Number    (32) Date    GHARAT Laxmikant Atmaram, India   
    IN            1352/MUM/2004 17.12.2004    GOPALAN Balasubramanian, India   
    US            60/637,232        17.12.2004       
                            KHAIRATKAR-JOSHI Neelima, India   
                                   
                                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 491/04 (2006.01)    C07D 471/04 (2006.01)   
                            C07D 495/04 (2006.01)    A61K 31/343 (2006.01)   
                            A61K 31/38 (2006.01)    A61P 29/00 (2006.01)   

A61K 31/407 (2006.01)

(54)    Title

Novel heterocyclic compounds useful for the treatment of inflamatory and allergic disorders

(57)    Abstract

The present invention relates to novel Phosphodiesterase type 4 (PDE4) inhibitors of the formula (1) and analogs, tautomers, enantiomers, diasteromers, regioisomers, stereoisomers, polymorphs, pharmaceutically acceptable salts, appropriate N -oxides, pharmaceutically acceptable solvates thereof and the pharmaceutical compositions containing them which are useful in the treatment of allergic and inflammatory diseases including asthma, chronic bronchitis, atopic dermatitis, urticaria, allergic rhinitis, allergic conjunctivitis, vernal conjuctivitis, eosinophilic granuloma, psoriasis, rheumatoid arthritis, septic shock, ulcerative colitis, Crohn's disease, reperfusion injury of the myocardium and reperfusion injury of the brain, chronic glomerulonephrilis, endotoxic shock and adult respiratory distress syndrome.

(56)    Documents Cited :    WO 2004/069831 A    WO 2004/037805 A    US 2002/128290 A1    WO 2004/089940 A

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