| 摘要 |
(R,S)-2-Aryl-propionic acids are useful as inhibitors of interleukin-8 induced human polymorphonucleated neutrophils (PMN) chemotaxis. (R,S)-2-Aryl-propionic acids of formula (I), their single (R) and (S) enantiomers or salts are useful as inhibitors of interleukin-8 (IL-8) induced human polymorphonucleated neutrophils (PMN) chemotaxis. [Image] Ar : phenyl ring (substituted by T in meta position, T1 in para position or T2 in ortho position); T : linear or branched 1-5C alkyl, 2-5C alkenyl, or 2-5C alkynyl (optionally substituted by 1-5C alkoxycarbonyl, optionally substituted phenyl, linear or branched 1-5C hydroxyalkyl or arylhydroxymethyl); T1benzoyloxy, benzoylamino, benzenesulfonyloxy, benzenesulfonylamino, benzenesulfonylmethyl (all optionally substituted), 1-5C acyloxy, 1-5C acylamino, 1-5C sulfonyloxy, 1-5C alkanesulfonylamino, 1-5C alkanesulfonylmethyl, 3-6C cycloalkyl, 2-furyl, 3-tetrahydrofuryl, 2- thiophenyl, 2-tetrahydrothiophenyl or ((1-8C)-alkanoyl, -cycloalkanoyl or -arylalkanoyl)-1-5C-alkylamino (preferably acetyl-N-methyl-amino or pivaloyl-N-ethyl-amino); and T2arylmethyl, aryloxy or acylamino (all optionally substituted by 1-4C alkyl, 1-4C-alkoxy, chlorine, fluorine or trifluoromethyl). The meta linear or branched 1-5C alkyl together with a substituent in ortho or para position and the benzene ring forms optionally saturated or optionally substituted bicyclo aryls. INDEPENDENT CLAIM are included for the following: (1) preparation of (I); and (2) use of (I) in the preparation of a medicament for the treatment of e.g. psoriasis, ulcerative colitis, melanoma and chronic obstructive pulmonary disease (COPD). - ACTIVITY : Antipsoriatic; Antiulcer; Respiratory-Gen.; Antirheumatic; Antiarthritic; Nephrotropic; Vasotropic; Antiinflammatory; Gastrointestinal-Gen.; Cytostatic. - MECHANISM OF ACTION : Interleukin-8 (IL-8) inhibitor; GROalpha inhibitor; CXCR2 agonist/antagonist. The ability of (R,S) 2-[(3'-isopropyl)phenyl]propionic acid (A) to inhibit IL-8 induced chemotaxis of human monocytes was tested as described in Van Damme J. et al. (Eur. J. Immunol., 19, 2367, 1989). (A) showed inhibition (%) of 51+-12.
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