| abstract |
Problem: To provide an optical recording medium having a recording layer improved in light stability that is capable of writing and reading of high-density optical information by a short-wavelength laser beam.n nMeans for Solving the Problems: There is provided an optical recording medium with a recoding layer comprising an organic dye compound, wherein the recording layer contains a metal complex compound composed of a pyridone azo compound represented by the following the general formulas [I] to [III] and a divalent ion of metal coordinated to it such as nickel, cobalt, iron, zinc, copper, manganese and the like, wherein the pyridone azo compound contains a 6-hydroxy-2-pyridone structure as a coupling component and isoxazole, 1,2,4-triazole or pyrazole structure as a diazo component.n n n n n n n n n n n (In the general formulas [I] to [III], R 1 to R 10 each is independently a hydrogen atom or monovalent functional group.) |