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    • 9. 发明授权
    • Near-infrared-ray absorbing material containing cyanine compound, and cyanine compound
    • 含有花青化合物和花青化合物的近红外线吸收材料
    • US08460858B2
    • 2013-06-11
    • US13129692
    • 2009-11-18
    • Yosuke MaedaRyoya OtsukiKoichi Shigeno
    • Yosuke MaedaRyoya OtsukiKoichi Shigeno
    • C07D209/10G03C1/40
    • C07D209/14C09B23/0008C09B23/0016C09B23/0033C09B23/0041C09B23/0058C09B23/0066C09B23/086G02B5/208
    • A near-infrared-ray absorbing material containing a cyanine compound per formula (I) exhibits a sharp light absorption in wavelength range 800-1000 nm, with excellent light resistance. R1 - R4, Y1, Y2 represents hydrogen atom, a group of formula (II) or (II′), etc., and Anq− represents a q-valent anion, provided that at least R1 is a group of formula (II) or (II′) or Anq− is an ion of formula (III); R11 - R13 each represents a hydrogen atom, hydroxyl group, etc.; Z1, Z2 represents a C1-10 alkyl group, etc. In formula (II′), the bond between G′ and T′ is a double bond or a conjugated double bond; G′ represents a carbon atom; T′ represents a carbon atom or a nitrogen atom; the ring including G′ and T′ represents a 6-membered ring, etc.; w′ is 0-4; and R01′ represents a hydrogen atom, hydroxy, etc. In formula (III), R5 and R6 represents a halogen-substituted C1-8 alkyl group.
    • 每个式(I)含有花青化合物的近红外线吸收材料在800-1000nm波长范围内具有清晰的光吸收,具有优异的耐光性。 R1-R4,Y1,Y2表示氢原子,式(II)或(Ⅱ')等基团,Anq-表示q价阴离子,条件是至少R1为式(II)的基团, 或(II')或Anq-是式(III)的离子; R11-R13各自表示氢原子,羟基等; Z1,Z2表示C1-10烷基等。在式(II')中,G'和T'之间的键是双键或共轭双键; G'表示碳原子; T'表示碳原子或氮原子; 包括G'和T'的环表示6元环等; w'为0-4; 并且R 01'表示氢原子,羟基等。在式(III)中,R 5和R 6表示卤素取代的C 1-8烷基。