申请人:——
公开号:US20020115692A1
公开(公告)日:2002-08-22
Tryptophan derivatives of formula (1) are described:
1
wherein:
Ar is an optionally substituted aromatic or heteroaromatic group;
X is an oxygen or sulphur atom;
Alk is a chain
2
in which m is zero or the integer 1 or 2 and R is a carboxylic acid (—CO
2
H) or a derivative or biostere thereof;
R
2
is an optionally substituted aliphatic group;
R
3
is an optional substituent;
n is zero or the integer 1, 2 or 3;
and the salts, solvates, hydrates and N-oxides thereof.
The compounds are able to inhibit the binding of LFA-1 to its ligands and are of use in the prophylaxis and treatment of inflammatory diseases or disorders or autoimmune diseases.
描述了式(1)的色氨酸衍生物:其中:Ar是可选择性取代的芳香族或杂环芳香族基团;X是氧或硫原子;Alk是链2,其中m为零或整数1或2,R是羧酸(—CO2H)或其衍生物或生物立体异构体;R2是可选择性取代的脂肪基团;R3是可选取代基;n为零或整数1、2或3;以及其盐、溶剂合物、水合物和N-氧化物。这些化合物能够抑制LFA-1与其配体的结合,并可用于预防和治疗炎症性疾病或紊乱或自身免疫性疾病。