申请人:Hynd George
公开号:US20090163534A1
公开(公告)日:2009-06-25
Compounds of formula (I) are ligands of the CRTH2 receptor and are useful in the treatment of respiratory disease: 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
9
; 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
5
are independently hydrogen or C
1
C
6
alkyl, or R
7
and R
5
together with the atom to which they are attached form a cycloalkyl group; and X is —CHR
6
—, —S(O)
n
—, —NR
6
SO
2
— or —SO
2
NR
6
— wherein n is 0, 1 or 2.
化合物的结构(I)是CRTH2受体的配体,可用于治疗呼吸系统疾病:结构(I)中R1,R2,R3和R4分别为氢,C1C6烷基,完全或部分氟化的C1C6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C1C6烷基,芳基,杂环芳基;R10独立地为氢,C1C6烷基,芳基或杂环芳基;R11为氢,C1C6烷基,完全或部分氟化的C1C6烷基或一个基团—SO2R9;n为0,1或2;R5为C1C6烷基,完全或部分氟化的C1C6烷基,C1C6烯基,C1C6炔基,可选地取代的芳基或可选地取代的杂环芳基;R6为氢,C1C6烷基或完全或部分氟化的C1C6烷基;R7和R5独立地为氢或C1C6烷基,或R7和R5与它们连接的原子一起形成环烷基;X为—CHR6—,—S(O)n—,—NR6SO2—或—SO2NR6—其中n为0,1或2。