Disazo dye

Abstract

Abstract NEW MATERIAL:Compounds of formula I, wherein X is H, halogen, alkyl, alkoxy, NO2, CN2, CF3, SO2R<1>, COR<1>, COOR<1>; R<1> is H, a 1-8C alkyl (substd. by a 1-8C alkoxy, CN2, Cl, acyloxy or phenyl), alkenyl, aryl, tetrarydrofurfuryl; Y is H, Cl, CH3, lower alkoxy, acylamino; Z is H, CH3, lower alkoxy-(alkoxy), Cl, Br; R<2> is a 5-12C alkyl, aralkyl, phenoxyalkyl; n is 1-3. EXAMPLE:Compd. of formula II. USE:Disazo dyes which dye synthetic fibers, particularly polyester fibers orange to blue. PREPARATION:An amine of formula III is diazotized and then coupled with a compd. of formula IV.

Inventors

• 👤 Kiyoshi Himeno
• 👤 清 姫野
• 👤 Junji Yoshihara
• 👤 潤二 吉原

Bibliographic Details