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    • 63. 发明专利
    • Azo dye
    • AZO DYE
    • JP2006016471A
    • 2006-01-19
    • JP2004194866
    • 2004-06-30
    • Fuji Photo Film Co Ltd富士写真フイルム株式会社
    • ISHIWATA YASUHIRO
    • C09B29/12C07D513/04C09B29/26
    • PROBLEM TO BE SOLVED: To provide an azo dye having a new structure which exhibits a good color hue and fastness and has a high molecular light absorption coefficient.
      SOLUTION: The dye is represented by general formula (I) (wherein R
      1 -R
      4 are each a hydrogen atom, aliphatic group, aryl group, halogen atom, acyl group, cyano group, acylamino group, aliphatic oxycarbonyl group, aryloxycarbonyl group, carbamoyl group, aliphatic sulfonyl group, arylsulfonyl group, sulfamoyl group, aliphatic oxycarbonylamino group, aryloxycarbonylamino group, sulfo group, carboxy group, carbamoylamino group, sulfamoylamino group, or aliphatic or aromatic sulfonylamino group; (R
      1 and R
      2 ) and/or (R
      3 and R
      4 ) may be each linked together to form a five- or six-membered aromatic or non-aromatic ring; X is a carbon atom or a nitrogen atom; and n is 0 or 1 when X is the nitrogen atom, and n is 1 when X is the carbon atom).
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供具有良好的色调和牢度并具有高分子光吸收系数的具有新结构的偶氮染料。 解决方案:染料由通式(I)表示(其中R 1和R 2各自为氢原子,脂族基团,芳基,卤素原子 酰基,氰基,酰氨基,脂族氧羰基,芳氧基羰基,氨基甲酰基,脂肪族磺酰基,芳基磺酰基,氨磺酰基,脂族氧基羰基氨基,芳氧基羰基氨基,磺基,羧基,氨基甲酰氨基,氨磺酰氨基或 脂族或芳族磺酰氨基;(R 1 SP>和R 2 SP 2)和/或(R 3 SP>和< SP> 4< )可以各自连接在一起形成五元或六元芳族或非芳香环; X为碳原子或氮原子;当X为氮原子时,n为0或1,n为1时 X是碳原子)。 版权所有(C)2006,JPO&NCIPI