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    • 69. 发明专利
    • BR9911175A
    • 2001-03-20
    • BR9911175
    • 1999-07-13
    • ZAMBON SPA
    • NAPOLETANO MAUROPELLACINI FRANCOLEALI GIAN MARCONORCINI GABRIELEGRANCINI GIANCARLOMORAZZONI GABRIELE
    • A61K31/502A61K31/5377A61P11/00A61P29/00A61P37/08C07D237/30C07D237/32C07D237/34C07D401/06C07D401/14C07D405/06C07D405/14C07D413/14C07D417/04C07D417/14
    • Compounds of formula wherein ----- is a single or double bond; Z is NH, methylene, a (C2-C6)alkylene chain optionally branched and/or unsaturated and/or interrupted by a (C5-C7)cycloalkyl residue; A is phenyl or heterocycle optionally substituted by one or more substituent(s) selected among oxo, nitro, carboxy groups and halogen atoms, or a COR4 group wherein R4 is hydroxy, (C1-C6)-alkoxy, amino optionally substituted by one or two (C1-C6)alkyl group(s) or by hydroxy; R is a (C1-C6)alkyl or polyfluoro(C1-C6)alkyl group; R1 is absent when ----- is a double bond or, when ----- is a single bond, is (a) hydrogen; (b) (C1-C6)alkyl optionally substituted by aryl, by heterocycle or by a COR5 group wherein R5 is hydroxy, (C1-C4)alkoxy or hydroxamino; (c)-COR6 wherein R6 is hydrogen, aryl, aryl-(C1-C6)alkyl, amino optionally alkylated or monohydroxylated, hydroxy, (C1-C4)alkoxy, carboxy, (C1-C4)alkoxycarbonyl, or (C1-C4)alkyl optionally substituted by heterocycle; (d) (C1-C4)-alkylsulfonyl; R2 represents two hydrogen atoms or a group =O when ----- is a single bond, or, when ----- is a double bond, R2 is hydrogen, cyano, (C1-C4)alkoxycarbonyl, amido, optionally substituted aryl or heterocycle, (C1-C8)alkyl, (C2-C8)alkenyl or (C2-C8)alkynyl optionally branched and/or substituted by aryl or heterocycle; aryloxy, heterocyclyloxy, aryl-(C1-C4)alkoxy, heterocyclyl-(C1-C4)alkoxy, amino substituted by one or two (C1-C4)-alkyl group(s), arylamino, heterocyclylamino, aryl-(C1-C4)alkylamino, heterocyclyl-(C1-C4)-alkylamino; R3 is hydrogen, or a (C1-C8)alkyl, (C2-C8)alkenyl or (C2-C8)alkynyl group optionally substituted by hydroxy, oxo, aryl or heterocycle, and optionally interrupted by one or more heteroatom(s) or heterogroup(s); the N->O derivatives of the compounds of formula I and the pharmaceutically acceptable salts thereof are PDE 4 inhibitors.
    • 70. 发明专利
    • Phthalazine derivatives phosphodiesterase 4 inhibitors.
    • AP2000001993A0
    • 2000-12-31
    • AP2000001993
    • 1999-07-13
    • ZAMBON SPA
    • NAPOLETANO MAURONORCINI GABRIELEGRANCINI GIANCARLOPELLACINI FRANCOLEALI GIAN MARCOMORAZZONI GABRIELE
    • A61K31/502A61K31/5377A61P11/00A61P29/00A61P37/08C07D237/30C07D237/32C07D237/34C07D401/06C07D401/14C07D405/06C07D405/14C07D413/14C07D417/04C07D417/14
    • Compounds of formula (i), wherein is a single or double bond; z is nh, methylene, a (c2-c6)alkylene chain optionally branched and/or unsaturated and/or interrupted by a (c5-c7)cycloalkyl residue; a is phenyl or heterocycle optionally substituted by one or more substituent(s)selected among oxo, intro, carboxy groups and halogen atoms, or a cor4 group wherein r4 is hydroxy, (c1-c6)-alkoxy, amino optionally substituted by one or two (c1-c6)alkyl group(s)or by hydroxy; r is a (c1-c6)alkyl or polyfluoro(c1-c6)alkyl group; r1 is absent when is a double bond or, when is a single bond, is (a)hydrogen; (b)(c1-c6)alkyl optionally substituted by aryl, by heterocycle or by a cor5 group wherein r5 is hydroxy, (c1-c4)alkoxy or hydroxamino; (c)-cor6 wherein r6 is hydrogen, aryl, aryl-(c1c6)alkyl, amino optionally alkylated or monohydroxylated, hydroxy, (c1-c4)alkoxy, carboxy, (c1-c4)alkoxycarbonyl, formula (i), or (c1-c4)alkyl optionally substituted by heterocycle; (d)(c1-c4)-alkylsulfonyl; r2 represents two hydrogen atoms or a group =0 when is a single bond or when is a double bond, r2 is hydrogen, cyano, (c1-c4)alkoxycarbonyl, amido, optionally substituted aryl or heterocycle, (c1-c8)alkyl, (c2-c8)alkenyl or (c2-c8)alkynyl optionally branched and/or substituted by aryl or heterocycle; aryloxy, heterocyclyloxy, aryl-(c1-c4)alkoxy, heterocyclyl-(c1-c4)alkoxy, amino substituted by one or two (c1-c4)-alkyl group(s), arylamino, heterocyclylamino, aryl(c1-c4)alkylamino, heterocyclyl-(c1-c4)-alkylamino; r3 is hydrogen, or a (c1-c8)alkyl, (c2-c8)alkenyl or (c2-c8)alkynyl group optionally substituted by hydroxy, oxo, aryl or heterocycle, and optionally interrupted by one or more heteroatom(s)or heterogroup(s); the n o derivatives of the compounew of formula (i)and the pharmaceutically acceptable salts thereof are pde 4 inhibitors.