申请人:Zambon Group S.p.A.
公开号:US06358973B1
公开(公告)日:2002-03-19
Compounds of formula I:
wherein A is a heterocycle containing a nitrogen atom and optionally saturated or 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, or 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 (C2-8)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 of the compounds of formula I and the pharmaceutically acceptable salts thereof. The compounds of formula (I) are PDE 4 inhibitors and may be used in compositions and methods involving PDE 4 inhibition.
公式I的化合物:其中A是含有氮原子的杂环,可饱和或不饱和,也可进一步被氧基(═O)取代;R是:氢,氰基,(C1-4)烷氧羰基,氨基甲酰基;可选择取代的(C4-7)环烷基,芳基或杂环;(C1-8)烷基,(C2-8)烯基或(C2-8)炔基,可分支和/或取代的(C4-7)环烷基,芳基或杂环;芳氧基,杂环氧基,芳基(C1-4)烷氧基,杂环(C1-4)烷氧基,氨基取代的一个或两个(C1-4)烷基,芳基氨基,杂环氨基,芳基(C1-4)烷基氨基,或杂环(C1-4)烷基氨基;Y是亚甲基或乙烯基;W是可选择取代的芳基或杂环;R1是氢,(C4-7)环烷基或(C2-8)烷基,(C2-8)烯基或(C2-8)炔基,可选择取代的羟基,氧基,(C4-7)环烷基,芳基或杂环,可被一个或多个杂原子或杂基中断;R2是(C1-6)烷基或多氟(C1-6)烷基;公式I的化合物的N→O衍生物及其药学上可接受的盐。公式(I)的化合物是PDE 4抑制剂,可用于涉及PDE 4抑制的组合物和方法中。