| 摘要 |
NEW MATERIAL:The compound of formula I (R is methoxy or ethoxy; X1 and X2 are H, methyl, methoxy, or sulfonic acid group) as free acid. EXAMPLE:The compound of formula II. USE:A dye for dyeing cellulosic fiber material in yellow color. It has excellent fastness to chlorine, light, and sweat and sunlight, and is suitable for the dyeing of sportswear, etc. PREPARATION:2-Aminonaphthalene-4,8-disulfonic acid is diazotized, and coupled with the toluidine compound of formula III to obtain the amino-monoazo compound of formula IV, which is condensed with cyanuric chloride and the aniline compound of formula V or VI. When the aniline compound is formula VI, the product is converted to sulfuric acid ester.
|
