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    • 6. 发明授权
    • 4,5-DIHYDRO-1H-PYRAZOLE DERIVATIVES HAVING CB1-ANTAGONISTIC ACTIVITY
    • 具有CB1拮抗活性的4,5-二氢-1H-吡唑衍生物
    • EP1373216B1
    • 2004-12-15
    • EP02726190.8
    • 2002-03-18
    • Solvay Pharmaceuticals B.V.
    • LANGE, Josephus, H.M.KRUSE, Cornelis, GTIPKER, JacobusHOOGENDOORN, Jan
    • C07D231/06C07D401/04A61K31/415A61P25/00
    • C07D231/08
    • The present invention relates to a group of novel 4,5-dihydro-1H-pyrazole derivatives having S configuration at the 4-position of their 4,5-dihydro pyrazole ring which are potent antagonists of the cannabis CB1-receptor.The compounds have the general formula (I) wherein- R and R1 are the same or different and represent 3-pyridyl or 4-pyridyl or phenyl which may be substituted with halogen or methoxy,- R2 and R3 are the same or different and represent hydrogen, alkyl (1-3 C) or dimethylamino- R4 represents phenyl which may be substituted with 1 or 2 substituents selected from the group halogen atoms, trifluoromethyl, methoxy and alkyl (1-3 C)and tautomers, prodrugs and salts thereof.These enantiomers are much more potent and selective antagonists of the cannabis CB1-receptor, than the other enantiomer.
    • 本发明涉及一组新的4,5-二氢-1H-吡唑衍生物,它们的4,5-二氢吡唑环的4位具有S构型,它们是大麻CB 1受体的有效拮抗剂。化合物具有 其中-R和R1相同或不同并表示3-吡啶基或4-吡啶基或可被卤素或甲氧基取代的苯基的通式(I):-R 2和R 3相同或不同并且代表氢,烷基 (1-3C)或二甲基氨基-R 4代表可以被1或2个选自卤素原子,三氟甲基,甲氧基和烷基(1-3C)的取代基取代的苯基及其互变异构体,前药和盐。这些对映异构体是 比其他对映异构体更有效和选择性的大麻CB 1受体拮抗剂。