Patent Document ID: 20030220337
Application ID: 10456268
Patent Flag: 0

Claim One:
1. Seleno compounds containing nitrone moiety with the following formula (I), and pharmaceutically acceptable 11 R 1 and R 2 which may be the same or different from each other, represent hydrogen, halogen, C 1˜4 -alkyl, C 1˜4 -alkoxy, hydroxy, trifluoromethyl, nitro, or R 1 and R 2 together denote methylenedioxy; L denotes phenyl, C 1˜4 -alkylphenyl, heterocyclic unsaturated or saturated radical having 1 to 4 heteroatoms of elements nitrogen, oxygen, and/or sulfur from the group comprising furanyl, oxazolyl, isooxazolyl, thiophenyl, thiazolyl, isothiazolyl, pyrrolyl, imidazolyl, pyrazolyl, thiadiazolyl, pyridyl, pyrimidinyl, pyrazinyl, pyridazinyl, benzothiazolyl, benzoimidazolyl, benzotriazolyl, triazinyl, triazolyl, it being possible for the heterocyclic radical to be substituted once or twice, identically or differently, by halogen, C 1˜2 -alkyl, C 1˜4 -alkoxy, C 1˜4 -alkylthio, hydroxy, mercapto, trifluoromethyl, nitro, phenyl, nitrile, carboxy or C 1˜4 -alkoxycarbonyl; and, R 3 represents alkyl, substituted alkyl, alkenyl, alkynyl, aralkyl, aryl, cycloalkyl or cycloalkenyl.