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    • 7. 发明授权
    • Near infrared ray absorbing compound having high durability and its use
    • 具有高耐久性的近红外线吸收剂及其用途
    • US5788914A
    • 1998-08-04
    • US721022
    • 1996-09-26
    • Ryu OiKazuhiro SeinoYuko MochizukiKeisuke Takuma
    • Ryu OiKazuhiro SeinoYuko MochizukiKeisuke Takuma
    • C07D487/22C09B47/20F21V9/04C09B47/04
    • C07D487/22C09B47/20
    • A near infrared ray absorbing compound having an improved solubility and light resistance can be obtained by amidating and/or imidating the amino groups on substituents of a phthalocyanine. According to its preparation process, the desired near infrared ray absorbing compound can be easily prepared by reacting the phthalocyanine having an elimination group such as a halogen atom with a 2-aminothiophenol derivative, and then amidating and/or imidating a part or all of the remaining primary or secondary amino groups. Moreover, substituents on the benzene rings of the phthalocyanine can be coordinated with metals, whereby an absorption wavelength can be broadened and the near infrared rays in a long wave range can be absorbed. The near infrared ray absorbing compound of the present invention is useful as a heat ray absorbing material.
    • 具有改善的溶解性和耐光性的近红外线吸收化合物可以通过酰胺化和/或酰亚胺化酞菁的取代基上的氨基来获得。 根据其制备方法,可以通过使具有卤素原子的消去基团的酞菁与2-氨基苯硫酚衍生物反应,然后将一部分或全部化合物进行酰胺化和/或酰亚胺化,从而容易地制备所需的近红外线吸收化合物 剩余的伯或仲氨基。 此外,酞菁的苯环上的取代基可以与金属配位,从而可以扩大吸收波长,并且可以吸收长波长范围内的近红外线。 本发明的近红外线吸收性化合物可用作热射线吸收材料。