Anthraquinone reactive dyestuffs
AssigneeBayer Aktiengesellschaft
InventorsKlaus von Oertzen, Wolfgang Harms, Klaus Wunderlich
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Abstract
Dyestuffs of the formula ##STR1## wherein X, R.sub.1, R.sub.2, R.sub.3 and R.sub.4 have the meaning indicated in the description, and their use for dyeing and printing materials containing hydroxyl groups or amide groups, such as textile fibres, filaments and fabrics of wool, silk or synthetic polyamide or polyurethane fibres, and for dyeing and printing natural or regenerated cellulose with dyeings and prints which are fast to washing.
Claims5
Reactive dyestuffs of the formula ##STR39## wherein X=halogen
- R.sub.1 =H or alkyl
- R.sub.2 =alkyl
- R.sub.3 =stands for halogen, OR.sub.7, SR.sub.7 or ##STR40## wherein R.sub.7 =low-molecular alkyl, low-molecular alkyl substituted by C.sub.1 -C.sub.4 -alkoxy, aryl or aralkyl and wherein
- R.sub.5 and R.sub.6 =independently of one another, H, alkyl, alkyl substituted by SO.sub.3 H, OSO.sub.3 H;
- or aralkyl, or together with N, a heterocyclic 5-membered or 6-membered ring, or as further R.sub.5 and R.sub.6 ##STR41## wherein R.sub.8 and R.sub.9 =H or SO.sub.3 H
- R.sub.10 =SO.sub.3 H, halogen, COOH, CH.sub.3, SO.sub.2 CH.sub.2 CH.sub.2 OSO.sub.3 H or SO.sub.2 NH-CH.sub.2 -CH.sub.2 -OSO.sub.3 H,
- n=0 to 2
- R.sub.4 =SO.sub.3 H.
Reactive dyestuffs of the formula ##STR42## wherein X=fluorine or chlorine,
- R.sub.1 =H or alkyl and
- R.sub.7 =alkyl or C.sub.1 -C.sub.4 -alkoxy.
Reactive dyestuff of the formula ##STR43##
Reactive dyestuff of the formula ##STR44##
Reactive dyestuffs of the formula ##STR45## wherein X=fluorine or chlorine,
- R.sub.1 =H or alkyl,
- R.sub.5 and R.sub.6 =independently of one another, hydrogen, alkyl, aralkyl or ##STR46## wherein R.sub.8 and R.sub.9 =independently of one another, hydrogen or a sulphonic acid group,
- R.sub.10 =SO.sub.3 H, halogen, COOH, CH.sub.3, SO.sub.2 CH.sub.2 OSO.sub.3 H or SO.sub.2 NH-CH.sub.2 -CH.sub.2 -OSO.sub.3 H and,
- n=0, 1 or 2, and furthermore
- R.sub.5 +R.sub.6 =together with N, a heterocyclic 5-membered or 6-membered ring.
Dependencies are inferred from the claim text.