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    • 3. 发明授权
    • Cyanine compound, optical recording material using the same and optical recording medium
    • 花青素化合物,使用其的光学记录材料和光学记录介质
    • US07682773B2
    • 2010-03-23
    • US11791487
    • 2005-10-13
    • Mitsuhiro OkadaToru YanoKoichi Shigeno
    • Mitsuhiro OkadaToru YanoKoichi Shigeno
    • G11B7/24
    • G11B7/2472C07D413/06C07D417/06G11B7/245G11B7/246G11B7/2467G11B7/248G11B7/2495G11B7/2531G11B7/2533G11B7/2534G11B7/2535G11B7/256Y10S430/146
    • The cyanine compound of the present invention is represented by general formula (I) below and suitable as an optical recording material used in a recording layer of optical recording media on which recording and play-back are conducted with laser beam. The cyanine compound of the present invention particularly exhibits appropriate thermal decomposition behavior to attain sensitivity compatible with high-speed recording. (In the formula, each of ring A and ring B represents an optionally substituted benzene or naphthalene ring; each of R1 and R2 independently represents a C1-4 alkyl group or an optionally substituted benzyl group; at least one of R1 and R2 is an optionally substituted benzyl group; X represents O, S, or NY; each of Y, Y1, and Y2 independently represents a hydrogen atom or a C1-30 organic group; Z represents a hydrogen atom, a halogen atom, or a cyano group; Anm- represents an m-valent anion; m represents an integer of 1 or 2; and p represents a coefficient to keep an electric charge neutral.)
    • 本发明的花青化合物由下述通式(I)表示,适合作为用激光束进行记录和回放的光记录介质的记录层中使用的光记录材料。 本发明的花青化合物特别表现出适当的热分解行为以获得与高速记录兼容的灵敏度。 (式中,环A和环B分别表示可以具有取代基的苯或萘环,R 1和R 2各自独立地表示碳原子数为1〜4的烷基或可以具有取代基的苄基; R 1和R 2中的至少一个为 任选取代的苄基; X表示O,S或NY; Y,Y1和Y2各自独立地表示氢原子或C1-30有机基团; Z表示氢原子,卤素原子或氰基; Anm-表示m价阴离子; m表示1或2的整数; p表示保持电荷中性的系数。
    • 10. 发明授权
    • Cyanine compound and optical recording material
    • 花青化合物和光学记录材料
    • US08206806B2
    • 2012-06-26
    • US12295449
    • 2007-03-23
    • Toru YanoSatoshi YanagisawaYohei AoyamaKoichi Shigeno
    • Toru YanoSatoshi YanagisawaYohei AoyamaKoichi Shigeno
    • B32B3/02G11B7/24
    • C07F17/02C09B23/04G11B7/2467G11B7/2472G11B7/249G11B7/2492G11B7/2495
    • A cyanine compound is represented by formula (I): A1: benzene or naphthalene ring. A3: 5- or 6-membered ring. R1, R2: hydrogen atom and the like. R7: an alkyl group and the like. R12: a substituent by formula (II) or (II′). R20: a hydrogen atom and the like. Anq-: a q-valent anion. q: 1 or 2; p: a coefficient for neutral charge. In formula (II): bond between L and T is a double, conjugated double, or triple bond. L: carbon atom. T: carbon, oxygen, sulfur, or nitrogen atom. x, y, z: 0 or 1. s: 0-4. R13: hydrogen atom and the like. R14, R15, and R16: hydrogen atom and the like. In formula (II′), the bond between L′ and T′ is a double or conjugated double bond. L′: carbon atom. T′: carbon, oxygen, nitrogen atom. s′: 0-4. Ring containing L′ and T′: 5-membered ring, may contain a heteroatom.
    • 花青化合物由式(I)表示:A1:苯或萘环。 A3:5-或6-元环。 R1,R2:氢原子等。 R7:烷基等。 R 12:式(II)或(II')的取代基。 R 20:氢原子等。 Anq-:q价阴离子。 q:1或2; p:中性电荷系数。 在式(II)中:L和T之间的键是双键,共轭双键或三键。 L:碳原子 T:碳,氧,硫或氮原子。 x,y,z:0或1. s:0-4。 R 13:氢原子等。 R14,R15和R16:氢原子等。 在式(II')中,L'和T'之间的键是双键或共轭双键。 L':碳原子。 T':碳,氧,氮原子。 s':0-4。 含有L'和T'的环:5元环可含有杂原子。