申请人:Hynd George
公开号:US20110071175A1
公开(公告)日:2011-03-24
Compound of formula (I) are ligands of the CRTH2 receptor, useful inter alia for treatment of inflammatory conditions. Wherein X is —SO
2
— or *—SO
2
NR
3
— wherein the bond marked with an asterisk is attached to Ar
1
; R
1
is hydrogen, fluoro, chloro, CN or CF
3
; R
2
is hydrogen, fluoro or chloro; R
3
is hydrogen, C
1
C
8
alkyl or C
3
-C
7
cycloalkyl; Ar
1
is phenyl or a 5- or 6-membered heteroaryl group selected from furanyl, thienyl, oxazolyl, thiazolyl, imidazolyl, pyrazolyl, isoxazolyl, isothiazolyl, pyridinyl, pyridazinyl, pyrimidinyl and pyrazinyl, wherein the phenyl or heteroaryl groups are optionally substituted by one or more substituents independently selected from fluoro, chloro, CN, C
3
-C
7
cycloalkyl, —O(C
1
-C
4
alkyl) or C
1
C
6
alkyl, the latter two groups being optionally substituted by one or more fluoro atoms; and Ar
2
is phenyl or 5- or 6-membered heteroaryl group selected from pyrrolyl, furanyl, thienyl, oxazolyl, thiazolyl, imidazolyl, pyrazolyl, isoxazolyl, isothiazolyl, pyridinyl, pyridazinyl, pyrimidinyl and pyrazinyl, wherein the phenyl or heteroaryl groups are optionally substituted by one or more substituents independently selected from fluoro, chloro, CN, C
3
-C
3
-C
7
cycloalkyl, —O(C
1
-C
4
alkyl) or C
1
C
6
alkyl, the latter two groups being optionally substituted by one or more fluoro atoms.
(I)的化合物是CRTH2受体的配体,可用于治疗炎症病症等。其中X为—SO2—或*—SO2NR3—,其中用星号标记的键连接到Ar1;R1为氢、氟、氯、氰或三氟甲基;R2为氢、氟或氯;R3为氢、C1-C8烷基或C3-C7环烷基;Ar1为苯基或从呋喃基、噻吩基、噁唑基、噻唑基、咪唑基、吡唑基、异噁唑基、异噻唑基、吡啶基、吡嗪基、嘧啶基和吡嗪基中选择的5-或6-成员杂芳基,其中苯基或杂芳基可选地被一个或多个取代基独立地选择自氟、氯、氰、C3-C7环烷基、—O(C1-C4烷基)或C1-C6烷基,后两个基可选地被一个或多个氟原子取代;Ar2为苯基或从吡咯基、呋喃基、噻吩基、噁唑基、噻唑基、咪唑基、吡唑基、异噁唑基、异噻唑基、吡啶基、吡嗪基、嘧啶基和吡嗪基中选择的5-或6-成员杂芳基,其中苯基或杂芳基可选地被一个或多个取代基独立地选择自氟、氯、氰、C3-C7环烷基、—O(C1-C4烷基)或C1-C6烷基,后两个基可选地被一个或多个氟原子取代。