| 摘要 |
NEW MATERIAL:A compound shown by the formula I [X is H, Cl, Br, NO2, CN, 1-4C alkyl, 1-4C akoxy, or CF3; Y<1> and Y<2> are H, Cl or Br; Z is COCF3, COCH2Z<1> (Z<1> is Cl, Br, or phenoxy), or SO2Z<2> (Z<2> is 1-4C alkyl, phenyl); R<1> is H, Cl, or 1-4C alkoxyl; R<2> and R<3> are H, 1-8C alkyl, aryl, bnzyl, phenetyl, etc.; when Z is COCF3, or COCH2Z<1>, R<2> and R<3> may be 1-8C alkylcarboxyloxyethyl, cyanoethyl, etc.]. EXAMPLE:A compound shown by the formula II. USE:Dye for dyeing polyester yarn, etc., in orange-blue. Having improved fastness to washing, alkali sweating, water, etc. PREPARATION:An amine shown by the formula III is diazotized and coupled with a compound shown by the formula IV.
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