申请人:Bravi Gianpaolo
公开号:US20100267755A1
公开(公告)日:2010-10-21
The invention provides the compounds of formula (I)
and pharmaceutically acceptable salts thereof, in which:
R
1
and R
2
are independently selected from the group consisting of H, C
1-6
alkyl, C
1-2
alkyl substituted by one to five fluorine atoms, C
3-6
alkenyl, C
3-6
alkynyl, C
3-10
cycloalkylC
0-6
alkyl, C
4-12
bridged cycloalkyl, A(CR
7
R
8
)
n
and B(CR
7
R
8
)
n
;
R
3
is selected from the group consisting of C
1-6
alkyl, NH
2
and R
10
CONH;
R
4
is C
1-2
alkyl substituted by one to five fluorine atoms;
R
5
is selected from the group consisting of H, C
1-4
alkyl, C
1-2
alkyl substituted with one to five fluorine atoms, halogen and C
3-10
cycloalkylC
0-6
alkyl, with the proviso that when R
6
is H R
5
is not H.
R
6
is selected from the group consisting of H, C
1-4
alkyl, C
1-2
alkyl substituted with one to five fluorine atoms, halogen, C
1-4
alkoxy, CN, NO
2
, C
1-6
alkylOCO, NH
2
CO, C
1-6
alkylNHCO, NH
2
, C
1-6
alkylNH, (C
1-6
alkyl)
2
N, (C
1-6
alkyl)
2
NCO, C
1-6
alkylCONH, NH
2
SO
2
, C
1-6
alkylNHSO
2
, (C
1-6
alkyl)
2
NSO
2
, C
1-6
alkylSO
2
NH, ArSO
2
NH, C
1-6
alkylSO
2
, ArSO
2
, C
3-10
cycloalkylC
0-6
alkyl, C
3-6
alkenyl and C
3-6
alkynyl, with the proviso that when R
5
is H R
6
is not H.
R
7
and R
8
are independently selected from H or C
1-6
alkyl;
A is an unsubstituted 5- or 6-membered heteroaryl or an unsubstituted 6-membered aryl, or a 5- or 6-membered heteroaryl or a 6-membered aryl substituted by one or more R
9
;
R
9
is selected from the group consisting of hydroxy, halogen, C
1-6
alkyl, C
1-6
alkyl substituted by one more fluorine atoms, C
1-6
alkoxy, C
1-6
alkoxy substituted by one or more F, NH
2
SO
2
and C
1-6
alkylSO
2
;
R
10
is selected from the group consisting of H, C
1-6
alkyl, C
1-6
alkoxy, C
1-6
alkylOC
1-6
alkyl, phenyl, HO
2
CC
1-6
alkyl, C
1-6
alkylOCOC
1-6
alkyl, C
1-6
alkylOCO, H
2
NC
1-6
alkyl, C
1-6
alkylOCONHC
1-6
alkyl and C
1-6
alkylCONHC
1-6
alkyl;
B is selected from the group consisting of
defines the point of attachment of the ring; and
n is 0 to 4.
Compounds of formula (I) are potent and selective inhibitors of COX-2 and are of use in the treatment of pain, fever and inflammation of a variety of conditions and diseases.
本发明提供了式(I)化合物及其药学上可接受的盐,其中:R1和R2独立地选自H,C1-6烷基,被一到五个氟原子取代的C1-2烷基,C3-6烯基,C3-6炔基,C3-10环烷基C0-6烷基,C4-12桥环烷基,A(CR7R8)n和B(CR7R8)n;R3选自C1-6烷基,NH2和R10CONH;R4是被一到五个氟原子取代的C1-2烷基;R5选自H,C1-4烷基,被一到五个氟原子取代的C1-2烷基,卤素和C3-10环烷基C0-6烷基,但当R6为H时,R5不为H;R6选自H,C1-4烷基,被一到五个氟原子取代的C1-2烷基,卤素,C1-4烷氧基,CN,NO2,C1-6烷基羧酰基,NH2CO,C1-6烷基氨基酰基,NH2,C1-6烷基氨基,(C1-6烷基)2N,(C1-6烷基)2NCO,C1-6烷基酰胺基,NH2SO2,C1-6烷基NHSO2,(C1-6烷基)2NSO2,C1-6烷基SO2NH,ArSO2NH,C1-6烷基SO2,ArSO2,C3-10环烷基C0-6烷基,C3-6烯基和C3-6炔基,但当R5为H时,R6不为H;R7和R8独立地选自H或C1-6烷基;A是未取代的5-或6-成员杂芳基或未取代的6-成员芳基,或被一个或多个R9取代的5-或6-成员杂芳基或6-成员芳基;R9选自羟基,卤素,C1-6烷基,被一个或多个氟原子取代的C1-6烷基,C1-6烷氧基,被一个或多个F取代的C1-6烷氧基,NH2SO2和C1-6烷基SO2;R10选自H,C1-6烷基,C1-6烷氧基,C1-6烷基氧基C1-6烷基,苯基,HO2CC1-6烷基,C1-6烷氧基COC1-6烷基,C1-6烷氧基CO,H2NC1-6烷基,C1-6烷氧基CONHC1-6烷基和C1-6烷基CONHC1-6烷基;B选自定义环的连接点;n为0到4。式(I)化合物是COX-2的有效和选择性抑制剂,并可用于治疗各种疾病和病症的疼痛、发热和炎症。