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US 2001/0044527 A1Published application
Fiber-reactive disazo compounds
AssigneeClariant Finance (BVI) Limited
InventorMarkus Gisler
Life of this patent
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Abstract
The invention is related to compounds according to the formula (I) 1 and salts thereof, or mixtures of such compounds or of their salts, wherein the substituents have the meanings as defined in claim 1; these compounds are useful as fiber-reactive dyestuffs in dyeing and printing hydroxy-group-containing and nitrogen-containing organic substrates.
Claims14
Compounds of formula (I)
- 10
- and salts thereof, or mixtures of such compounds or of their salts, wherein
- X is a group —CH═CH2 or —CH2CH2Y, wherein Y is —OH or a group which can be split off under alkaline conditions,
- R1 is H, —SO3H, —COOH, —OCH3, or —CH3,
- R2 is C1-4alkyl or C1-4hydroxyalkyl,
- Z is —Cl or —F.
3 more elements
A process for the preparation of compounds of formula (I) or mixtures thereof which is characterized by coupling a compound of formula (II)
- 12
- with a diazotized amine of formula (III)
- 13
Compounds as hereinabove described with reference to any of the Examples 1 to 12.
Dependencies are inferred from the claim text.