Basic benzimidazoline arylhydrazone dyestuffs
Abstract
Abstract BASIC HYDRAZONE DYESTUFFS OF THE FORMULA 1,3-DI(R4-),2-(R-N(-R6)-N=C(-R5)-),5-R3,6-R2,7-R1BENZIMIDAZOLIUM . X(-) WHEREIN R IS AN AROMATIC-CARBOCYLIC RADICAL, R1 IS HYDROGEN OR ALKYL, R2 IS HYDROGEN, ALKYL, ALKOXY, OR AN AMINO WHICH MAY NE SUBSTITUTED BY ALKYL, SULPHONYL, OR CARBAMOYL, R3 IS HYDROGEN, ALKYL OR ALKOXY, R4 IS ALKYL R5 IS NITRILE, OR CARBONAMIDO, R6 IS HYDROGEN, ALKYL, ARALKYL, OR CYCLOALKYL, X- IS AN ANION, AND WHEREIN THE ALIPHATIC, CYCLOALIPHATIC, OR AROMATIC RADICALS R, R1, R2, R3, R4, R5, OR R6 MAY BE FURTHER SUBSTITUTED BY NON-IONIC SUBSTITUENTS HAVING A HAMMETT CONSTANT A PARA LESS THAN 0.7. THESE DYESTUFFS ARE USEFUL IN DYEING OR PRINTING LEATHER, COTTON, CELLULOSE ACETATE, AND LIGNIN-CONTAINING FIBERS.
Inventors
- 👤 R Raue
- 👤 H Dorsch
Bibliographic Details
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