申请人:Mathews Richard Ian
公开号:US20080021033A1
公开(公告)日:2008-01-24
Compounds of formula (I) are CD80 inhibitors, and of value for immunomodulation, e.g. in rheumatoid arthritis, multiple sclerosis, diabetes, asthma, transplantation, systemic lupus erythematosis and psoriasis: wherein Y is —CH
2
—, —CH
2
CH
2
—, or CH
2
CH
2
CH
2
—; R
1
represents H; F; methyl, trifuoromethyl, methoxy or triflioromethoxy; R
3
represents H; F; CI; Br; NO
2
; CN; C
1
C
6
alkyl optionally substituted by F or Cl; or C
1
-C
6
alkoxy optionally substituted by F; R
4
represents a carboxylic acid group (—COOH) or an ester thereof, or —C(═O) NR
6
R
7
—NR
7
C(═O)R
6
, NR
7
C(═O)OR
6
, NHC(═O) or NHC(═S)NR
7
R
6
wherein R
6
and R
7
are as defined in the specification and X represents a bond or a divalent radical as defined in the specification.