Patent ID: 6458792
Filing Date: 2002-10-01
Classification: C07D

Abstract:
A compound of formula (II): wherein:one of: R1 and R2, R2 and R3 or R3 and R4, together form a benzene ring and the two groups of R1, R2, R3 and R4 not forming a ring, are H; R5 is H, C1-6 alkyl, hydroxyC1-6 alkyl, aminoC1-6 alkyl, (aminoC1-3 alkylphenyl)C1-3 alkyl, amidinothioC1-6 alkyl, or (aminoC1-3 alkylpyridyl)C1-3alkyl; R6 is H, C1-6 alkyl, phenylC1-6 alkyl, or (C1-6 alkoxycarbonyl)C1-6 alkyl; R7 and R8 are each independently H, dibenzylamino, nitro, hydroxy, halogen, C1-6alkoxy, phenylC1-6 alkoxy, C1-6 alkyl or carboxy C1-6 alkyl ester; R9 is H, C1-6 alkyl, phenyl, halophenyl, or benzyl; and salts thereof; with the proviso that: 3-[3-(3-Oxo-3,4-dihydro-benzo[g]quinoxalin-2-yl)-indol-1-yl]-propyl ammonium acetate is excluded from compounds of formula (II).