申请人:Almirall, S.A.
公开号:EP2343287A1
公开(公告)日:2011-07-13
The present invention relates to a compound of formula (I), or a pharmaceutically acceptable salt or N-oxide thereof:
wherein:
• L represents a direct bond or a -S(O)2- group,
• n is an integer having a value from 0 to 2,
• R1 represents a pyridyl group or an imidazo[1,2-a]pyridinyl group, wherein the pyridyl group is substituted with one or more substituents selected from halogen atoms, a hydroxy group, a C1-4 alkyl group and a C1-4 alkoxy group, or
• R1 represents a group of formula:
wherein:
o Ra and Rb independently represent a hydrogen atom, halogen atom or a linear or branched C1-4 alkyl group,
o Rc represents a hydroxy group, a linear or branched C1-4 alkyl group or C1-4 alkoxy group wherein the alkyl and the alkoxy groups independently are optionally substituted with one or more substituents selected from hydroxy group, cyano group and-NR'R" groups and wherein
■ R' represents a hydrogen atom or a linear or branched C1-4 alkyl group,
■ R" represents a hydrogen atom or a linear or branched C1-4 alkyl group optionally substituted with a hydroxycarbonyl group; or
■ R' and R" together with the nitrogen atom to which they are attached form a 4 to 6 membered, saturated heterocyclic ring optionally substituted with a hydroxycarbonyl group.
• R2 represents a pyridyl group, a C3-6 cycloalkyl group or a phenyl group which is optionally substituted with one or more substituents selected from halogen atoms, cyano group, and C1-4 alkoxy group; and
• R3 represents a C3-6 cycloalkyl group, a C3-6 cycloalkyl-C1-2 alkyl group or a linear or branched C2-4 alkyl group optionally substituted with one or more substituents selected from halogen atoms and C1-2 alkoxy group.
该发明涉及以下式(I)的化合物,或其药学上可接受的盐或N-氧化物:
其中:
• L代表直接键或-S(O)2-基团,
• n是一个整数,其值为0到2,
• R1代表吡啶基或咪唑[1,2-a]吡啉基团,其中吡啶基被一个或多个取代基取代,所述取代基选自卤原子、羟基、C1-4烷基和C1-4烷氧基,或
• R1代表以下式的基团:
其中:
o Ra和Rb独立地代表氢原子、卤原子或线性或支链的C1-4烷基,
o Rc代表羟基、线性或支链的C1-4烷基或C1-4烷氧基,其中烷基和烷氧基独立地可以选择性地被一个或多个取代基取代,所述取代基选自羟基、氰基和-NR'R"基团,其中
■ R'代表氢原子或线性或支链的C1-4烷基,
■ R"代表氢原子或选择性地被羟基羰基基团取代的线性或支链的C1-4烷基;或
■ R'和R"与它们连接的氮原子一起形成一个4到6成员的饱和杂环环,该环可以选择性地被羟基羰基基团取代。
• R2代表吡啶基、C3-6环烷基基团或苯基,所述苯基可以选择性地被一个或多个取代基取代,所述取代基选自卤原子、氰基和C1-4烷氧基;和
• R3代表C3-6环烷基基团、C3-6环烷基-C1-2烷基基团或线性或支链的C2-4烷基基团,所述烷基基团可以选择性地被一个或多个取代基取代,所述取代基选自卤原子和C1-2烷氧基。