| 摘要 |
NEW MATERIAL:The compound expressed by formula I {R1 and R2 are H, methyl, ethyl, methoxy, ethoxy, Cl, Br, acetylamino, propionylamino, nitro, sulfonic acid group or carboxylic acid group; R and R' are H or (substituted) alkyl; A1 and A2 are group of formula II [B1 and B2 are H, methyl, methoxy, halogen, sulfonic acid group, etc.; Z is -SO2CH=CH2, -SO2CH2CH2Y (Y is group eliminable by the action of alkali) or group of formula III; when R and R' are H, A1 is different from A2]} as a free acid. EXAMPLE:The compound of formula IV. USE:A dye for dyeing a fibrous material containing OH group and carbonamide group to red - bluish red color. Especially suitable for the dyeing of cellulosic fiber. It is excellent in various fastnesses. PREPARATION:The objective compound can be produced by reacting a compound of formula V (as free acid) with compounds of formula VI and formula VII and condensing the reaction product with cyanuric chloride or cyanuric fluoride.
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