Water-insoluble monoazo dyestuffs and process for preparing them
    3.
    发明授权
    Water-insoluble monoazo dyestuffs and process for preparing them 失效
    水不溶性MONOAZO DYESTUFFS及其制备方法

    公开(公告)号:US3558593A

    公开(公告)日:1971-01-26

    申请号:US3558593D

    申请日:1967-07-18

    Applicant: HOECHST AG

    CPC classification number: C09B29/08

    Abstract: WATER-INSOLUBLE MONOAZO DYESTUFFS OF THE GENERAL FORMULA

    1-((2-Y,4-X-PHENYL)-N=N-),2-(R1-CO-NH-),4-(R3-CO-CH2-

    CH(-R2)-NH-)BENZENE

    WHEREIN X REPRESENTS A NITRO OR NITRILE GROUP, Y REPRESENTS A HYDROGEN A HALOGEN ATOM, OR A NITRO OR NITRILE GROUP, R1 REPRESENTS A LOWER ALKYL OR PHENYL RADICAL, R2 REPRESENTS A METHYL, PHENYL, CHLOROPHENYL, HYDROXYPHENYL OR METHYLENEDIOXYPHENYL RADICAL, AND R3 REPRESENTS A METHYL, PHENYL, HYDROXYPHENYL OR LOWER ALKOXY GROUP, AND A PROCESS FOR PREPARING SAID DYESTUFFS.

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