Patent ID: 6689872
Filing Date: 2004-02-10
Classification: C09B,G11B

Abstract:
An optical recording medium dye, wherein the optical recording medium dye is an an azo type compound that chelates with a metal, and the azo type compound has a structure of: wherein A3 and B3, each is a residue forming a heterocyclic ring derivative together with a carbon atom and a nitrogen atom, and the heterocyclic ring derivative is selected from the group consisting of derivatives of a thiazole group, an oxazole group, a benzothiazole group, a benzopyridoxinethiazole group, a pyridoxinethiazole group, a pyridazine group, a pyrimidine group, a pyrazine group, a triazine group, a quinoline group, a pyridobenzothiazole group, and a pyrazole group, wherein the derivatives of the thiazole group, the oxazole group, the benzothiazole group, the benzopyridoxinethiazole group, the pyridoxinethiazole group, the pyridazine group, the pyrimidine group, the pyrazine group, the triazine group, a quinoline group, the pyridoxinethiazole group, the pyrazole group contains no or a substituent, wherein the substituent is selected from the group consisting of a halogen atom, a nitro group, a cyano group, an amino group, a formyl group, a carboxyl group, an alkylamino group, a substituted C1-15 straight chain alkyl group, an unsubstituted C1-15 straight chain alkyl group, a branched alkyl group, a cycloalkyl group, an alkoxy group, an alkyl carbonyl group, a straight chain alkenyl group, a branched alkenyl group, a cylcoalkenyl group, a hydroxyalkyl group, an alkoxycarbonyl group, an alkoxycarbonylallyl group, an alkylthio group, an alkylsulfonyl group, an aryl group and a heterocyclic group.