申请人:Hynd George
公开号:US20080306109A1
公开(公告)日:2008-12-11
Compounds of formula (I) are CRTH2 antagonists, useful in the treatment of, for example, asthma, chronic obstructive pulmonary disease, rhinitis, allergic airway syndrome, and allergic rhinobronchitis. Formula (I) wherein R
1
, R
2
. R
3
and R
4
each independently are hydrogen, C
1
-C
6
alkyl, fully or partially fluorinated C
1
-C
6
alkyl, halo, —S(O)
n
R
10
, —SO
2
N(R
10
)
2
, —N(R
10
)
2
, —C(O)N(R
10
)
2
, —NR
10
C(O)R
9
, —CO
2
R
10
, —C(O)R
9
, —NO
2
, —CN or —OR
11
; wherein each R
9
is independently C
1
-C
6
alkyl, aryl, heteroaryl; R
10
is independently hydrogen, C
1
-C
6
alkyl, aryl, or heteroaryl; R
11
is hydrogen, C
1
-C
6
alkyl, fully or partially fluorinated C
1
-C
6
alkyl or a group —SO
2
R
10
; n is 0, 1 or 2; R
5
is C
1
-C
6
alkyl, fully or partially fluorinated C
1
-C
6
alkyl, C
1
-C
6
alkenyl, C
1
-C
6
alkynyl, optionally substituted aryl, or optionally substituted heteroaryl; R
6
is hydrogen, C
1
-C
6
alkyl or fully or partially fluorinated C
1
-C
6
alkyl; R
7
and R
8
are independently hydrogen or C
1
-C
6
alkyl, or R
7
and R
8
together with the atom to which they are attached form a cycloalkyl group; and X is —CHR
6
—, —S(O)
n
—, —C(O)—, —NR
6
SO
2
— or —SO
2
NR
6
- wherein n is 0, 1 or 2.
式(I)的化合物是CRTH2拮抗剂,可用于治疗哮喘、慢性阻塞性肺疾病、鼻炎、过敏性气道综合征和过敏性鼻支气管炎等疾病。其中,R1、R2、R3和R4各自独立地为氢、C1-C6烷基、完全或部分氟化的C1-C6烷基、卤素、—S(O)nR10、—SO2N(R10)2、—N(R10)2、—C(O)N(R10)2、—NR10C(O)R9、—CO2R10、—C(O)R9、—NO2、—CN或—OR11;其中,每个R9独立地为C1-C6烷基、芳基、杂环芳基;R10独立地为氢、C1-C6烷基、芳基或杂环芳基;R11为氢、C1-C6烷基、完全或部分氟化的C1-C6烷基或一个基团—SO2R10;n为0、1或2;R5为C1-C6烷基、完全或部分氟化的C1-C6烷基、C1-C6烯基、C1-C6炔基、可选取代的芳基或可选取代的杂环芳基;R6为氢、C1-C6烷基或完全或部分氟化的C1-C6烷基;R7和R8独立地为氢或C1-C6烷基,或者R7和R8与它们连接的原子形成环烷基;X为—CHR6—、—S(O)n—、—C(O)—、—NR6SO2—或—SO2NR6-,其中n为0、1或2。