Water-insoluble monoazo dyestuffs
Abstract
Abstract WATER-INSOLUBLE MONO-AZO DYESTUFF OF THE FORMULA 1-(B-N=N-),2,5-DI(Y-),4-(O2N-)-BENZENE IN WHICH ONE OF THE SYMBOLS Y REPRESENTS A PHENOXY, PHENYL-LOWER ALKOXY, PHENYLMERCAPTO, PHENYL-LOWER ALKYLMERCAPTO, PHENYL NITROPHENYL OR PHENYL-LOWER ALKYL GROUP AND THE OTHER REPRESENTS A HYDROGEN ATOM, A LOWER ALKYL, LOWER ALKOXY, PHENYLMERCAPTO, PHENYL-LOWER ALKYLMERCAPTO PHENYL OR PHENYL-LOWER ALKYL GROUP AND B REPRESENTS THE RADICAL OF A COUPLING COMPONENT SELECTED FROM THE GROUP CONSISTING OF A PYRAZOLONE, BARBITURIC ACID, 8-HYDROXYQUINOLINE AND A COMPOUND OF THE FORMULA 1-R2,2-(R3-N(-R4)-),4-R1-BENZENE IN WHICH R1 REPRESENTS HYDROGEN, HALOGEN, LOWER ALKYL, LOWER ALKOXY, LOWER ALKANOYLAMINO, PHENOXY, PHENYLMERCAPTO PHENYL, R2 REPRESENTS HYDROGEN, LOWER ALKYL OR LOWER ALKOXY, R3 AND R4 EACH REPRESENTS LOWER ALKYL, CYANO-LOWER ALKYL, OR LOWER ALKANOYLOXY-LOWER ALKYL, DYE POLYESTER FIBERS YELLOW TO RED TINTS OF EXCELLENT FASTNESS TO LIGHT AND SUBLIMATION.
Inventors
- 👤 Hans-Joerg Angliker
Bibliographic Details
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