| 摘要 |
NEW MATERIAL:A compound in the form of a free acid expressed by formula I (X1 and X2 are H, CH3, OCH3, NHCOCH3 or NHCONH2; Y1 and Y2 are formula II or III or Cl; n is 1 or 2; K<+> is cation). EXAMPLE:A compound expressed by formula IV. USE:A dye capable of dyeing cellulosic fibers and fibers containing cellulosic fibers to a brown color and further dyeing mixed yarns of polyester fibers and cotton in one bath in one stage. PREPARATION:For example, 1mol 2-aminobenzoic acid is diazotized and then coupled with 1mol 4-hydroxy-7-aminonaphthalene-2-sulfonic acid under weakly alkaline conditions. 0.5mol chromium sulfate is then added thereto and reacted therewith under weakly acidic conditions at 95-100 deg.C. 1mol resultant compound is then reacted with 2mol cyanuric chloride and the resultant compound is reacted with 2mol compound expressed by formula V and further with 1-3mol compounds expressed by formulas VI and VII.
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