Metal contg dyes based on azomethine cpds and nickel, copper - cobalt or zinc

    公开(公告)号:DE2021624A1

    公开(公告)日:1971-11-25

    申请号:DE2021624

    申请日:1970-05-02

    Applicant: BASF AG

    Abstract: Dyestuffs are of formula (I) in which R1 is lower alkyl, a phenyl, methyphenyl, methoxyphenyl, chlorophenyl, bromophenyl, nitrophenyl, carbalkoxy gp or (substituted) carbonamide gp. R2 is a cyano carbonamide or carbalkoxy gp, R3 is O or with R4 makes the gp (II) or (III): R4 is H 1-8C alkyl or forms (II) or (III) with R3, X is H or methyl or Me is a Ni, CU, Co or Zn atom. Such dyes may be prepared by reacting the appropriate azomethine in a solvent at up to 150 degrees C with an agent which liberates Ni, Cu, Co or Zn. The cpds are useful as pigment dyes for paints printing inks or for the mass-colouring of resins.

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