[EN] PHTHALAZINE DERIVATIVES PHOSPHODIESTERASE 4 INHIBITORS<br/>[FR] DERIVES DE PHTALAZINE COMME INHIBITEURS DE PHOSPHODIESTERASE 4
申请人:ZAMBON SPA
公开号:WO2000005218A1
公开(公告)日:2000-02-03
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, 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, formula (1), 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.
化合物的公式(I),其中------是单键或双键;Z是NH,亚甲基,(C2-C6)烷基链,可选地分支和/或不饱和和/或由(C5-C7)环烷基残基中断;A是苯基或杂环,可选地被氧代基,硝基,羧基和卤原子中的一个或多个取代基取代,或者是COR4基团,其中R4是羟基,(C1-C6)烷氧基,氨基,可选地被一种或两种(C1-C6)烷基基团或羟基取代;R是(C1-C6)烷基或聚氟(C1-C6)烷基团;当------是双键时,R1不存在;当------是单键时,R1是(a)氢;(b)(C1-C6)烷基,可选地被芳基,杂环或COR5基团取代,其中R5是羟基,(C1-C4)烷氧基或羟胺基;(c)-COR6,其中R6是氢,芳基,芳基-(C1-C6)烷基,氨基,可选地烷基化或单羟基化,羟基,(C1-C4)烷氧基,羧基,(C1-C4)烷氧基羰基,公式(1),或可选地被杂环取代的(C1-C4)烷基;(d)(C1-C4)烷基磺酰基;R2代表两个氢原子或一个=O基团,当------是单键时,或者当------是双键时,R2是氢,氰基,(C1-C4)烷氧基羰基,酰胺基,可选地被芳基或杂环取代,(C1-C8)烷基,(C2-C8)烯基或(C2-C8)炔基,可选地被芳基或杂环取代和/或分支;芳基氧基,杂环氧基,芳基-(C1-C4)烷氧基,杂环基-(C1-C4)烷氧基,氨基取代的一种或两种(C1-C4)烷基基团,芳基氨基,杂环基氨基,芳基-(C1-C4)烷基氨基,杂环基-(C1-C4)-烷基氨基;R3是氢,或者是(C1-C8)烷基,(C2-C8)烯基或(C2-C8)炔基,可选地被羟基,氧代基,芳基或杂环取代,并且可选地由一个或多个杂原子或杂基中断;公式(I)化合物的N→O衍生物及其药学上可接受的盐是PDE4抑制剂。