Use of N-(4-aryl-thiazol-2-yl)-sulfonamides

US5877193A · kind A · utility

Assignee

• Hoffmann-La Roche Inc. · US

Inventors

• Andrea Cesura · Nyon, CH
• Stephan Rover · Weil am Rhein, DE

Key dates

• Filing date: Jun 12, 1997
• Grant date: Mar 2, 1999
• Expiry date: Jun 12, 2017

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61P43/00
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

The invention is concerned with the use of sulfonamide derivatives of the general formula ##STR1## wherein R signifies lower-alkyl, phenyl, benzyl, naphthyl, pyridyl or thienyl, optionally substituted by one or more lower-alkyl, lower-alkoxy, lower-alkyl carbonyl-amino, halogen, cycloalkyl, nitro, amino, methylenedioxy, phenoxy or benzyloxy substituents, and the aromatic rings, can, in turn, be substituted by nitro, halogen or amino, PA1 R.sup.1 -R.sup.4 signify hydrogen, halogen, hydroxy, lower-alkyl, nitro, cyano, amino, lower-alkoxy, benzyloxy, trifluoromethyl or phenyl, optionally substituted by one or more lower-alkyl, trifluoromethyl, nitro, amino or hydroxy substituents, and wherein R.sup.1 and R.sup.2 or R.sup.2 and R.sup.3 together can form a benzene ring which optionally can be substituted by halogen, trifluoromethyl, nitro, lower-alkyl or lower alkoxy, and of their pharmaceutically acceptable salts as kynurenin-3-hydroxylase inhibitors in the control or prevention of neuro-degenerative disorders, neurological disorders resulting from an activation of the immune system, or psychiatric illnesses and, respectively, for the production of corresponding medicaments.