Disperse dyes

Details Disperse dyes Disperse dyes

C - Chemistry, Metallurgy

09

B

260/265.3

C09B 57/00 (2006.01) C07D 491/04 (2006.01) C09B 57/06 (2006.01) D06P 1/16 (2006.01)

Patent

CA 1058177

Abstract of the Disclosure A dyestuff of the formula Image wherein X1 represents fluorine, bromine, chlorine or hydrogen, C1-C4-alkyl, C1-C4-alkoxy, phenyl, phenoxy, thiophenoxy or C1-C4-alkyl sulphonyl, C1-C4- alkylthio, each of which is unsubstituted or substituted by C1-C4-alkoxy, hydroxy, cyano, bromine, chlorine, carbo-C1-C4-alkoxy, C1-C4-alkoxy-C1-C4- alkoxy, C1-C4-alkylcarbonyloxy, chloro-C1-C4-alkylcarbonyloxy or C1-C4-alkoxy- carbonyloxy, fluorine, bromine, chlorine, COOR, in which R represents C1-C4- alkyl or C1-C4-alkyl substituted by C1-C4-alkoxy, hydroxy, cyano, C1-C4-alkyl- carbonyloxy, chlorine or bromine, -SO2NH-C1-C4-alkyl and Image (wherein the C1-C4-alkyl is unsubstituted or substituted by hydroxy, chlorine, bromine, C1-C4-alkoxy or phenyl), -SO2-alkyl or CN; X2 represents methoxy, ethoxy, methyl or hydrogen, X3 represents hydrogen, alkyl containing up to 4 carbon atoms, chlorine, bromine, Image (wherein alkyl is substituted or unsubstituted), nitro, or SO2-R, wherein R represents alkyl or substituted or unsubstituted phenyl, n is 0, 1 or 2, and the dotted ring can represent a fused benzene ring. The new dyestuffs dye polyester fibers in bright red shades.

246097

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