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    Naphthol derivatives
    11.
    发明授权
    Naphthol derivatives 失效
    萘酚衍生物

    公开(公告)号：US06451988B1

    公开(公告)日：2002-09-17

    申请号：US10031115

    申请日：2002-01-16

    申请人： Ryuzo Ueno ,  Masaya Kitayama ,  Kenji Minami ,  Hiroyuki Wakamori

    发明人： Ryuzo Ueno ,  Masaya Kitayama ,  Kenji Minami ,  Hiroyuki Wakamori

    IPC分类号： C07D26357

    CPC分类号： C07D263/52 ,  C07D235/18 ,  C07D263/57 ,  C07D263/60 ,  C07D263/64 ,  C07D277/66 ,  C07D413/10 ,  C07D417/10

    摘要： Novel naphthol derivatives, and various azo compounds and metal complexes prepared by using the derivatives are provided. The instant invention provides naphthol derivatives represented by general formula (1); wherein at least one of Y1 and Y2 is a group represented by formula (2); wherein X1 is —O—, —S— or —NH—; and Z is an optionally substituted aromatic group or heterocyclic group having conjugated double bonds, and salts thereof; mono-, bis-, and trisazo compounds prepared from the derivatives; and metal complexes containing the derivatives as the ligand.

    摘要翻译： 提供新型萘酚衍生物和通过使用该衍生物制备的各种偶氮化合物和金属络合物。本发明提供通式（1）表示的萘酚衍生物，其中Y 1和Y 2中的至少一个为式（2）表示的基团， ;其中X 1是-O - ， - S-或-NH-; Z为任选取代的具有共轭双键的芳族基团或杂环基团及其盐; 由衍生物制备的单，双和三偶氮化合物; 和含有衍生物作为配体的金属络合物。

    Water-soluble azo compounds and process for the preparation thereof
    16.
    发明授权
    Water-soluble azo compounds and process for the preparation thereof 失效
    水溶性偶氮化合物及其制备方法

    公开(公告)号：US06239263B1

    公开(公告)日：2001-05-29

    申请号：US09380207

    申请日：1999-08-26

    申请人： Ryuzo Ueno ,  Masaya Kitayama ,  Kenji Minami ,  Masaharu Kittaka

    发明人： Ryuzo Ueno ,  Masaya Kitayama ,  Kenji Minami ,  Masaharu Kittaka

    IPC分类号： C09B62507

    CPC分类号： C09B62/51

    摘要： Novel water-soluble azo compounds useful as raw materials for preparing dyes excellent in dyeing properties and fastness and prepared from a coupler consisting of 2-hydroxynaphthalene-3,6-dicarboxylic acid or an ester thereof or an amide derivative of the same and a diazonium compound having a group of the general formula: —B—(CH2)2- Q or —B′—(CH2)2-Q′ (wherein B and B′ are each an electron-attracting group; and Q and Q′ are each a group capable of forming a vinyl group through the elimination with an alkali, provided the groups Q and Q′ are each bonded at the &bgr;-position of the ethyl group).

    摘要翻译： 新颖的水溶性偶氮化合物可用作制备染料性能和牢度优良的染料的原料，并由由2-羟基萘-3,6-二羧酸或其酯或其酰胺衍生物组成的成色剂和重氮 具有以下通式的基团：-B-（CH2）2-Q或-B' - （CH2）2-Q'（其中B和B'各自为吸电子基团; Q和Q'为 每个是能够通过用碱去除形成乙烯基的基团，条件是基团Q和Q'各自键合在乙基的β-位）。