Importance

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Abstract

Compounds of the formula ##STR1## wherein R.sub.1 is nitro or cyano; R.sub.2 is cyano or halo; R.sub.3 is C.sub.1-4 alkyl; R.sub.4 is methyl or ethyl; R.sub.5 is C.sub.1-8 alkyl; and R.sub.6 is --CH.sub.2 CHOHCH.sub.2 O(CH.sub.2 CH.sub.2 O).sub.a R.sub.7, --CH.sub.2 CHOHC.sub.6 H.sub.5, --CH(C.sub.6 H.sub.5)CH.sub.2 OH; --(CH.sub.2).sub.n O--CO--NHR.sub.3, --CH.sub.2 CH(R.sub.4)--O--CO--NHR.sub.3 ; --(CH.sub.2).sub.n --O--CO--R.sub.3, --CH.sub.2 CH(R.sub.4)--O--CO--R.sub.3 or C.sub.2-4 hydroxyalkyl, with the provisos that R.sub.6 may be any of the last three groups only when R.sub.1 and R.sub.2 are both cyano and that R.sub.6 may be C.sub.2-4 hydroxyalkyl also when R.sub.5 is C.sub.1-2 alkyl, wherein R.sub.7 is phenyl; phenyl substituted by 1 or 2 substituents independently selected from hydroxy, chloro, bromo, methyl and C.sub.1-4 alkoxy; benzyl; benzyl substituted by 1 or 2 substituents independently selected from hydroxy, chloro, bromo, methyl and C.sub.1-4 alkoxy; allyl; haloalkyl; propyn-2-yl or halopropyn-2-yl, with the proviso that R.sub.7 may be allyl, haloallyl, propyn-2-yl or halopropyn-2-yl only when a is 0; a is 0 or 1; and n is 2 or 3, processes for their preparation and their use for dyeing and printing textiles comprising synthetic or semi-synthetic, hydrophobic, high molecular weight materials, e.g., linear aromatic polyester, cellulose 21/2 acetate, cellulose triacetate and synthetic polyamides, by, for example, the rapid dyeing procedure.

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