Water-soluble monoazo dyestuffs containing a naphthalene diazo component

Abstract

Abstract A WATER-SOLUBLE MONOAZO DYESTUFF HAVING IN FORM OF THE FREE ACID THE FORMULA 1,5-BIS(X-O2S-),3-(A-N=N-)NAPHTHALENE WHEREIN X REPRESENTS-CH=CH2,-CH2-CH2-OH, -CH2-CH2-O-SO3H,-CH2-CH2-S-SO3H -CH2-CH2-O-PO3H2,-CH2-CH2-C1 -CH2-CH2-BR,-CH2-CH2-O-SO2-CH3 PHENYL-SO2-O-CH2-CH2-, -CH2-CH2-OOC-CH3, PHENYL-O-CH2-CH2- OR-CH2-CH2-N(LOWER ALKYL)2, AND A REPRESENTS AS A RADICAL OF A COUPLING COMPONENT HYDROXYPHENYLENE, HYDROXYPHENYLENE SUBTITUTED BY LOWER ALKYL, LOWER ALKOXY OR SULFO; HYDROXYNAPHTHYLENE, HYDROXYNAPHTHYLENE SUBSTITUTED BY LOWER ALKYL, LOWER ALKOXY, SULFO, ACETOACETYLAMINO, BENZOYLAMINO, ACRYLOYLAMINO, 2,6-DICHLORO-S-TRIAZINYLAMINO, 2-CHLORO-6-AMINO-S-TRIAZINYLAMINO, 2,6-DIHYDROXYS-TRIAZINYLAMINO, SULFACETYLAMINO OR N-ACETYL-N-METHYLAMINO; AMINOANPHTHYLENE, AMINONAPHTHYLENE SUBSTITUTED BY SULFO OR HYDROXYL; 2-HYDROXY-3-NAPHTHOIC ACID ANILIDE, 2-HYDROXY-3-NAPHTOIC ACID ANILIDE SUBSTITUTED ON THE BENZENE NUCLEUS OF THE SNILIDE RADICAL BY LOWER ALKYL, LOWER ALKOXY OR CHLORINE OR BROMINE; 2-HYDROXY-3-NAPHTHOIC ACID NAPHTHYLIDE, 2-HYDROXY-3-NAPHTHOIC ACID NAPHTHYLIDE SUBSTITUTED ON THE NAPHTHALENE NUCLEUS OF THE NAPHTHYLIDE RADICALS BY LOWER ALKYL, LOWER ALKOXY OR CHLORINE OR BROMINE; 1-PHENYL-5-PYRAZOLONE BEING SUBSTITUTED IN THE 3POSITION BY LOWER ALKYL, LOWER ALKOXY, CARB-LOWER ALKOXY, CARBOXYL OR CARBAMYL; 1-PHENYL-5-PYRAZOLONE BEING SUBSTITUTED IN THE 3-POSITION BY LOWER ALKYL, LOWER ALKOXY, CARB-LOWER ALKOXY, CARBOXYL OR CARBAMYL AND ON THE PHENYL RING THE CHLORINE, BROMINE OR SULFO, 1-NAPHTYL-5PYRAZOLONE BEING SUBSTITUTED IN THE 3-POSITION BY LOWER ALKYL, LOWER ALKOXY, CARB-LOWER ALKOXY, CARBOXYL OR CARBAMYL; 1-NAPHTHYL-5-PYRAZOLONE BEING SUBSTITUTED IN THE 3-POSITION BY LOWER ALKYLY, LOWER ALKOXY, CARB-LOWER ALKOXY, CARBOXYL OR CARBAMYL AND ON THE NAPHTHYL RING BY CHLORINE, BROMINE OR SULFO; SAID DYESTUFFS WHICH HAVE A HIGH TINCTORIAL STRENGTH BEING SUITABLE FOR THE DYEING OR PRINTING OF FIBROUS MATERIALS CONSISTING OF WOOL, SILK, POLYAMIDE FIBERS AND NATIVE OR REGENERATED CELLULOSE FIBERS, THE DYEINGS AND PRINTS OBTAINED ON SAID MATERIALS BEING DISTINGUISHED BY CLEAR SHADES, GOOD STABILITY TOWARDS ALKALINE AGENTS AND DRY CLEANING, HIGH DEGREE OF FIXATION AND GOOD TO VERY GOOD FASTENESS PROPERTIES TO WETTING AND TO LIGHT.

Inventors

• 👤 Fritz Meininger
• 👤 Klaus Hunger

Bibliographic Details