Monoazo compound and method for dyeing cellulose fiber by using the same

Abstract

Abstract NEW MATERIAL:Monoazo compounds of formulaI, wherein R1 is alkyl, aralkyl, cyclohexyl; R2 is H, sulfonic group; X1, X2 are each H, chlorine, methyl, methoxy, carboxyl, sulfonic group; Y is -CH=CH2, -CH2CH2Z; Z is halogen, -OSO3H, -OPO3H2. USE:Dyes which dye cellulose fibers such as cotton or hemp clear yellow with excellent fastness to chlorine, light, perspiration and sunlight. PREPARATION:2,4-Diaminobenzenesulfonic acid or 2,4-diaminobenzene-1,5-disulfonic acid is condensed with cyanuric chloride. The resulting condensate is diazotized and then coupled with a pyridone derivative of formula II. The reaction product is condensed with an aniline compd. of formula III to produce the compd. of formulaI.

Inventors

• 👤 Yasutaka Shimizu
• 👤 清水　保孝
• 👤 Naoki Harada
• 👤 原田　尚樹
• 👤 Yasuo Tezuka
• 👤 手塚　康男

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