Ester derivatives of rhein and their therapeutic use
申请人:Baxter Douglas Andrew
公开号:US20070185036A1
公开(公告)日:2007-08-09
Compounds that may have anti-inflammatory activity are of general formula (I); wherein X
1
, is H or COR
1
, and X
2
is H or COR
2
but X
1
, and X
2
are not both H; R
1
and R
2
are the same or different and are each C
1-4
alkyl substituted with R
3
, or a four to seven-membered ring which can be optionally substituted with R
8
and can contain one or more additional heteroatoms selected from O, S(O)
n
and NR
9
; is R
3
is F, CF
3
, OR
4
, NR
5
R
6
O, S(O)
n
R
7
; R
4
, R
5
and R
6
are the same or different and are each H or C
1-4
alkyl optionally substituted with R
3
, or NR
5
R
6
is a C
4-6
heterocycloalkyl ring containing one or more heteroatoms selected from O, NR
8
and S(O)
n
; each n is 0-2; R
7
is C
1-4
alkyl; R
8
is as defined for R
3
or C
1-4
alkyl optionally substituted with R
3
or halogen; and R
9
is H or C
1-4
alkyl; or a salt, solvate or hydrate thereof.
ESTER DERIVATIVES OF RHEIN AND THEIR THERAPEUTIC USE
申请人:Sosei R&D Ltd.
公开号:EP1723097A1
公开(公告)日:2006-11-22
US7728035B2
申请人:——
公开号:US7728035B2
公开(公告)日:2010-06-01
[EN] ESTER DERIVATIVES OF RHEIN AND THEIR THERAPEUTIC USE<br/>[FR] DERIVES ESTER DE RHEINE, UTILISATION THERAPEUTIQUE DE CES DERNIERS
申请人:ARAKIS LTD
公开号:WO2005085170A1
公开(公告)日:2005-09-15
Compounds that may have anti-inflammatory activity are of general formula (I); wherein X1, is H or COR1, and X2 is H or COR2 but X1, and X2 are not both H; R1 and R2 are the same or different and are each C1-4 alkyl substituted with R3, or a four to seven-membered ring which can be optionally substituted with R8 and can contain one or more additional heteroatoms selected from O, S(O)n and NR9; is R3 is F, CF3, OR4, NR5R6 O, S(O)n R7 ; R4, R5 and R6 are the same or different and are each H or C1-4 alkyl optionally substituted with R3, or NR5R6 is a C4-6 heterocycloalkyl ring containing one or more heteroatoms selected from O, NR8 and S(O)n; each n is 0-2; R7 is C1-4 alkyl; R8 is as defined for R3 or C1-4 alkyl optionally substituted with R3 or halogen; and R9 is H or C1-4 alkyl; or a salt, solvate or hydrate thereof.