| 摘要 |
NEW MATERIAL:The compound of formula I {R1-R3 are H or (substituted) lower alkyl; B1 and B2 are (substituted)phenylene or (sulfonic acid-substituted) naphthylene; Y1 and Y2 are -CH=CH2 or -CH2CH2Z (Z is group eliminate by the action of alkali); R4 is methyl, carboxylic acid or 1-4C alkoxycarbonyl; R5 is OH or amino; A1 is (substituted)phenyl or naphthyl; A2 is group of formula II [R6 is H, methyl, sulfonic acid, etc.; the bond marked with * is bonded to -N(R3)- group], etc.} as free acid. EXAMPLE:The compound of formula III. USE:A dye for dyeing a material containing OH group and carbonamide group, especially cellulosic fiber to yellow color. PREPARATION:The objective compound can be produced by condensing an aromatic amine of formula IV with a compound of formula V, etc., and cyanuryl chloride, etc., diazotizing the product and coupling with a pyrazolone derivative of formula VI.
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