HYDRAZIDE CHELATE COMPLEX COMPOUND, OPTICAL RECORDING MEDIUM USING THE COMPOUND AND RECORDING METHOD THEREOF
申请人:Mitsubishi Chemical Corporation
公开号:EP2050794A1
公开(公告)日:2009-04-22
Provided are a novel hydrazide chelate complex compound which is excellent in terms of both solubility in a coating solvent and light fastness, which can be used for blue laser recording, and which is useful as a dye for forming a recording layer of an optical recording medium, the hydrazide chelate complex compound being represented by general formula (1) below; and a dye for forming a recording layer of an optical recording medium, the dye containing the compound.
In general formula (1), ring A represents an aromatic ring; R1 and R6 each represent an aromatic ring group or a monovalent nonaromatic ring substituent having 20 or less carbon atoms; R2 to R5 each represent a hydrogen atom, an aromatic ring group, or a monovalent nonaromatic ring substituent having 20 or less carbon atoms; n represents 0 or 1; a represents an integer of 1 to 3; M represents a transition metal atom; and X represents an atom of Groups 14 to 16 of the periodic table.
提供了一种新型的肼腙螯合物复合物,其在涂层溶剂中溶解性和耐光性均优秀,可用于蓝色激光记录,并且可用作形成光学记录介质的记录层的染料,该肼腙螯合物复合物由下式(1)表示;以及含有该化合物的形成光学记录介质的记录层的染料。在通式(1)中,环A表示芳香环;R1和R6分别表示具有20个或更少碳原子的芳香环基团或单价非芳香环取代基; R2到R5分别表示氢原子,芳香环基团或具有20个或更少碳原子的单价非芳香环取代基; n表示0或1; a表示1到3的整数; M表示过渡金属原子; X表示周期表第14到16族的原子。