Triazine dyestuffs

Details Triazine dyestuffs Triazine dyestuffs

1974-05-21

1976-04-20

Ford, John M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602498, 8 1E, 8 542, 260267, 260250A, 260250Q, 260250P, 260251Q, 2602565R, 2602564R, 2602564N, C07D25144, C07D25150

Patent

active

039519740

ABSTRACT:
Reactive azine dyestuffs of the formula: ##SPC1##
Wherein Am is selected from a group consisting of anilino, di(lower alkyl)amino and N(lower alkyl)benzylamino radicals, one of Y.sup.1 and Y.sup.2 is H or SO.sub.3 H and the other is H or an alkyl or alkoxy group of 1-4 carbon atoms,
One of X.sup.1 or X.sup.2 is H, SO.sub.3 H, --SO.sub.2 CH.sub.2 CH.sub.2 OSO.sub.3 H or --SO.sub.2 CH=CH.sub.2 and the other is H, an alkyl or alkoxy group of 1-4 carbon atoms, Cl or CO.sub.2 H,
X.sup.3 is H, an alkyl group of 1-4 carbon atoms or SO.sub.3 H, when the dotted fused ring is present B is absent and when the dotted fused ring is absent B is H or an alkyl or alkoxy group of 1-4 carbon atoms,
At least one of the pendant benzene nuclei contains a NHQ group where Q is a cellulose-reactive group except when X.sup.1 or X.sup.2 is --SO.sub.2 CH.sub.2 CH.sub.2 OSO.sub.3 H or --SO.sub.2 CH=CH.sub.2 and the dyestuff as a whole contains at least 2 sulphonic acid groups.
The products are reactive dyes for cellulose which are colored in strong bright blue or reddish-blue shades of excellent fastness to washing and of a reasonable fastness to light, especially in respect of wet fading.

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