CYANINE DYE
    13.
    发明公开
    CYANINE DYE 审中-公开
    CYANINFARBSTOFF

    公开(公告)号:EP1088857A4

    公开(公告)日:2005-01-19

    申请号:EP00915484

    申请日:2000-04-11

    摘要: An organic dye compound which has excellent recording properties in an optical recording medium for high-density recording; and a use of the compound. The compound is an asymmetric trimethine-type cyanine dye having a specific structure and specific properties. Also provided are: a light absorber containing the cyanine dye; an optical recording medium; and a process for producing the cyanine dye through the step of reacting either of a 3,3-dimethyl-5-nitroindolium compound and a 3,3-dimethyl-5-sulfonamidoindolium compound each having an active methyl group or a suitable eliminable group with a 3,3-dimethyl-benzoindolium compound having an active methyl group or a suitable eliminable group.

    摘要翻译: 一种在用于高密度记录的光记录介质中具有优异记录性能的有机染料化合物; 以及该化合物的用途。 该化合物是具有特定结构和具体特性的不对称三甲基菁花青染料。 还提供:含有花青染料的光吸收剂; 光记录介质; 以及通过使3,3-二甲基-5-硝基吲哚鎓化合物和各自具有活性甲基或合适的可消除基团的3,3-二甲基-5-亚磺酰氨基吲哚鎓化合物中的任一种与 具有活性甲基的3,3-二甲基 - 苯并吲哚鎓化合物或合适的可消除基团。

    CYANINE DYE
    17.
    发明公开
    CYANINE DYE 审中-公开
    CYANINFARBSTOFF

    公开(公告)号:EP1178083A4

    公开(公告)日:2002-05-29

    申请号:EP00977918

    申请日:2000-11-24

    摘要: It is aimed to provide an organic dye compound having the absorption maximum in the ultraviolet region to the visible region with short wavelength and use thereof. This problem is solved by providing a specific monomethine cyanine dye; a light absorbing agent and a photorecording medium containing this monomethine cyanine dye; and a process for producing the monomethine cyanine dye via the step of reacting a quaternary ammonium salt of a nitrogen-containing heterocyclic compound having an active methyl group with a quaternary ammonium salt of a nitrogen-containing heterocyclic compound having an appropriate leaving group.

    摘要翻译: 目的在于提供一种在紫外区具有短波长的可见光区最大吸收的有机染料化合物及其用途。 该问题通过提供特定的单甲胺花青染料来解决; 光吸收剂和含有该单甲菁花青染料的照相记录介质; 以及通过使具有活性甲基的含氮杂环化合物的季铵盐与具有适当离去基团的含氮杂环化合物的季铵盐反应的步骤来制备单次甲基花青染料的方法。

    PROCESS FOR PRODUCING ALPHA-MONOGLUCOSYLHESPERIDIN-RICH SUBSTANCE
    18.
    发明公开
    PROCESS FOR PRODUCING ALPHA-MONOGLUCOSYLHESPERIDIN-RICH SUBSTANCE 失效
    方法用于生产ALPHA-monoglucosyl-RICH物质

    公开(公告)号:EP0908524A4

    公开(公告)日:2002-02-20

    申请号:EP98905832

    申请日:1998-03-10

    IPC分类号: C12P19/60

    CPC分类号: C12P19/60

    摘要: The present process for producing a high alpha -monoglucosyl hesperidin content product is characterized in that it comprises the steps of contacting glucoamylase and alpha -L-rhamnosidase simultaneously or randomly with a solution containing alpha -glucosyl hesperidin and hesperidin to obtain a mixture; crystallizing and separating alpha -monoglucosyl hesperidin in and from the mixture; and collecting the resulting alpha -monoglucosyl hesperidin. From solutions containing alpha -glucosyl hesperidin and hesperidin, the present invention facilitates the production of a high alpha -monoglucosyl hesperidin content product which does not substantially contain hesperidin, beta -monoglucosyl hesperetin, and hesperetin, and has an extremely-superior water-solubility.