[EN] BENZAZINE DERIVATIVES AS PHOSPHODIESTERASE 4 INHIBITORS<br/>[FR] DERIVES DE BENZAZINE UTILISES COMME INHIBITEURS DE PHOSPHODIESTERASE 4
申请人:ZAMBON SPA
公开号:WO2000021947A1
公开(公告)日:2000-04-20
Compounds of formula (I) wherein A is a heterocycle containing a nitrogen atom and optionally unsaturated and optionally further substituted by an oxo group (=O); R is hydrogen, cyano, (C1-4)alkoxycarbonyl, carbamoyl; optionally substituted (C4-7)-cycloalkyl, aryl or heterocycle; (C1-8)alkyl, (C2-8)alkenyl or (C2-8)alkynyl optionally branched and/or substituted by (C4-7)cycloalkyl, aryl or heterocycle; aryloxy, heterocyclyloxy, aryl-(C1-4)alkoxy, heterocyclyl(C1-4)alkoxy, amino substituted by one or two (C1-4)alkyl group(s), aryl-amino, heterocyclyl-amino, aryl(C1-4)alkyl-amino, heterocyclyl(C1-4)alkylamino; Y is methylene or ethylene; W is an optionally substituted aryl or heterocycle; R1 is hydrogen, (C4-7)cycloalkyl or a (C1-8)alkyl, (C2-8)alkenyl or (C2-8)alkynyl group optionally substituted by hydroxy, oxo, (C4-7)cycloalkyl, aryl or heterocycle, and optionally interrupted by one or more heteroatom(s) or heterogroup(s); R2 is a (C1-6)alkyl or polyfluoro(C1-6)alkyl group; the N→O derivatives and the pharmaceutically acceptable salts thereof are described. The compounds of formula (I) are PDE 4 inhibitors.