Hair dye coupler and process for making
    8.
    发明授权
    Hair dye coupler and process for making 失效
    染发剂和制造工艺

    公开(公告)号:US4838894A

    公开(公告)日:1989-06-13

    申请号:US135572

    申请日:1987-12-21

    IPC分类号: C07C205/34

    CPC分类号: A61K8/415 A61Q5/10 C07C205/34

    摘要: A substituted m-aminophenol coupler useful in hair dyeing having the formula ##STR1## and acid addition salts thereof wherein x and y are selected from the group consisting of halogen and the groups OR of which R is the same or different alkyl, aminoalkyl or hydroxyalkyl groups, at least one of x or y being a group OR and a process for preparing these compounds.

    摘要翻译: 可用于具有式“IMAGE”的染发剂的取代的间氨基苯酚偶联剂及其酸加成盐,其中x和y选自卤素和OR基团,其中R是相同或不同的烷基,氨基烷基或羟基烷基 基团,x或y中的至少一个为基团OR,以及制备这些化合物的方法。