Basic hemicyanine dyestuffs
    1.
    发明授权
    Basic hemicyanine dyestuffs 失效
    基础化学试剂

    公开(公告)号:US3679674A

    公开(公告)日:1972-07-25

    申请号:US3679674D

    申请日:1969-06-13

    申请人: HOECHST AG

    IPC分类号: C09B23/16 C07D27/30

    CPC分类号: C09B23/164

    摘要: Water-soluble basic dyestuffs of the formula

    IN WHICH A stands for a benzene or naphthalene radical that may be substituted, ALK represents each a lower alkyl group preferably of one to four carbon atoms, R represents hydrogen or a lower alkyl radical preferably of one to four carbon atoms that may be substituted, Y represents a -CO- or -SO2- group, R1 is an aliphatic, araliphatic, aromatic or heterocyclic radical and X represents an anion, and wherein the benzene nucleus a may further contain non-ionic substituents, which are suitable for the dyeing or printing of textile fibrous materials consisting of native or regenerative cellulose, silk, acetate rayon, acidmodified polyamides or polyesters, polyacrylonitrile or polyvinylidene cyanide or leather.

    摘要翻译: 式A的水溶性碱性染料A代表可被取代的苯或萘基,ALK表示优选1-4个碳原子的低级烷基,R表示氢或低级烷基,优选1至 可以被取代的四个碳原子,Y表示-CO-或-SO 2 - 基团,R 1是脂族,芳脂族,芳族或杂环基团,X'代表阴离子,并且其中苯核a可以进一步含有非 - 适用于染色或印刷由天然纤维素或再生纤维素,丝绸,乙酸酯人造丝,酸改性聚酰胺或聚酯,聚丙烯腈或聚偏二氰基氰化物或皮革组成的织物纤维材料。