申请人:Almirall, S.A.
公开号:EP2210615A1
公开(公告)日:2010-07-28
The present invention provides a combination which comprises (a) methotrexate and (b) a non-hepatotoxic DHODH inhibitor of formula (I):
wherein:
R1 is selected from the group consisting ofhydrogen atoms, halogen atoms, C1-4 alkyl, C3-4 cycloalkyl, -CF3 and -OCF3,
R2 is selected from the group consisting of hydrogen atoms, halogen atoms and C1-4 alkyl groups,
R3 is selected from the group consisting of -COOR5, -CONHR5, tetrazolyl, -SO2NHR5 and -CONHSO2R5 groups, wherein R5 is selected from the group consisting of a hydrogen atom and linear or branched C1-4 alkyl groups,
R4 is selected from the group consisting of a hydrogen atom and a C1-4 alkyl group,
R9 is selected from the group consisting of a hydrogen atom and a phenyl group,
G1 represents a group selected from N and CR6 wherein R6 is selected from the group consisting ofhydrogen atoms, halogen atoms, C1-4 alkyl, C3-4 cycloalkyl, C1-4 alkoxy, - CF3, -OCF3, monocyclic N-containing C5-7 heteroaryl, monocyclic N-containing C3-7 heterocyclyl groups and C6-10 aryl groups which C6-10 aryl groups are optionally substituted with one or more substituents selected from halogen atoms and C1-4 alkyl groups,
G2 represents a group selected from:
• a hydrogen atom, a hydroxy group, a halogen atom, a C3-4 cycloalkyl group, a C1-4 alkoxy group and NRaRb, wherein
Ra represents a C1-4 alkyl group and Rb is selected from a group consisting of C1-4 alkyl group and C1-4 alkoxy-C1-4 alkyl group, or
Ra and Rb together with the nitrogen atom to which they are attached form a saturated 6 to 8 membered heterocyclic ring optionally containing one oxygen atom as an additional heteroatom,
• a monocyclic or bicyclic 5 to 10 membered heteroaromatic ring containing one or more nitrogen atoms which is optionally substituted by one or more substituents selected from halogen atoms, C1-4 alkyl, C1-4 alkoxy, C3-4 cycloalkyl, C3-4 cycloalkoxy, -CF3, -OCF3, and -CONR7R8, wherein R7 and R8 are independently selected from hydrogen atom, linear or branched C1-4 alkyl groups, C3-7 cycloalkyl groups, or R7 and R8 together with the nitrogen atom to which they are attached form a group of formula
wherein n is an integer from 0 to 3,
and
• a phenyl group which is optionally substituted by one or more substituents selected from halogen atoms, C1-4 alkyl, hydroxyl, C1-4 alkoxy, C3-4cycloalkyl, C3-4 cycloalkoxy, cyano, -CF3, -OCF3, -CONR7R8, oxadiazolyl, triazolyl, pyrazolyl and imidazolyl groups, which oxadiazolyl, triazolyl, pyrazolyl and imidazolyl groups are optionally substituted by C1-4 alkyl or C3-7 cycloalkyl groups and wherein R7 and R8 are independently selected from hydrogen atom, linear or branched C1-4 alkyl groups, C3-7 cycloalkyl groups, or R7 and R8 together with the nitrogen atom to which they are attached form a group of formula
wherein n is an integer from 0 to 3
or, when G' represents CR6, G2 together with R6 forms a non-aromatic C5-10 carbocyclic group or a C6-10 aryl group,
and the pharmaceutically acceptable salts and N-oxides thereof.
本发明提供了一种组合物,它包括(a)甲氨蝶呤和(b)式(I)的非肝毒性 DHODH 抑制剂:
其中
R1 选自由氢原子、卤素原子、C1-4 烷基、C3-4 环烷基、-CF3 和 -OCF3 组成的组、
R2 选自氢原子、卤素原子和 C1-4 烷基组成的组、
R3 选自-COOR5、-CONHR5、四唑基、-SO2NHR5 和-CONHSO2R5 所组成的组,其中 R5 选自氢原子和直链或支链 C1-4 烷基所组成的组、
R4 选自氢原子和 C1-4 烷基组成的组、
R9 选自氢原子和苯基组成的组、
G1 代表选自 N 和 CR6 的基团,其中 R6 选自由氢原子、卤素原子、C1-4 烷基、C3-4 环烷基、C1-4 烷氧基、-CF3、-OCF3、含 N 的单环 C5-7 杂芳基、含 N 的单环 C3-7 杂环烯丙基和 C6-10 芳基组成的组,其中 C6-10 芳基任选被一个或多个选自卤素原子和 C1-4 烷基的取代基取代、
G2 代表选自以下的基团
- 氢原子、羟基、卤素原子、C3-4 环烷基、C1-4 烷氧基和 NRaRb,其中
Ra 代表 C1-4 烷基,Rb 选自 C1-4 烷基和 C1-4 烷氧基-C1-4 烷基组成的组,或
Ra 和 Rb 与它们所连接的氮原子一起形成一个饱和的 6 至 8 位杂环,该杂环可选地含有一个氧原子作为额外的杂原子、
- 含有一个或多个氮原子的单环或双环 5 至 10 个成员的杂芳香环,该环任选被一个或多个取代基取代,这些取代基选自卤素原子、C1-4 烷基、C1-4 烷氧基、C3-4 环烷基、C3-4 环烷氧基、-CF3、-OCF3 和 -CONR7R8,其中 R7 和 R8 独立地选自氢原子、直链或支链 C1-4 烷基、C3-7 环烷基,或 R7 和 R8 与它们所连接的氮原子一起形成一个式组
其中 n 为 0 至 3 的整数、
和
- 苯基,该基团可任选被一个或多个取代基取代,这些取代基选自卤素原子、C1-4 烷基、羟基、C1-4 烷氧基、C3-4 环烷基、C3-4 环烷氧基、氰基、-CF3、-OCF3、-CONR7R8、噁二唑基、三唑基、吡唑基和咪唑基,其中噁二唑基、三唑基、吡唑基和咪唑基可任选被一个或多个取代基取代,这些取代基选自卤素原子、C1-4 烷基、羟基、C1-4 烷氧基、C3-4 环烷基、C3-4 环烷氧基、氰基、-CF3、-OCF3、-CONR7R8、其中 R7 和 R8 独立地选自氢原子、直链或支链 C1-4 烷基、C3-7 环烷基,或 R7 和 R8 与它们所连接的氮原子一起形成式中的基团
其中 n 为 0 至 3 的整数
或者,当 G' 代表 CR6 时,G2 与 R6 一起形成非芳香的 C5-10 碳环基或 C6-10 芳基、
及其药学上可接受的盐类和 N-氧化物。