Basic azo dyes having a quaternized s-triazolo-[2,3-a]-pyrimidin

Details Basic azo dyes having a quaternized s-triazolo-[2,3-a]-pyrimidin Basic azo dyes having a quaternized s-triazolo-[2,3-a]-pyrimidin

1974-05-16

1976-09-14

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260147, 260154, 2602564F, 2602565R, C09B 2908, C09B 2912, C09B 2936, C09B 2938

Patent

active

039806324

ABSTRACT:
Basic azo dyes free from sulphonic acid groups of the formula ##EQU1## in which R signifies an alkyl or alkenyl radical, R.sub.1 and R.sub.3 independently signify hydrogen, hydroxyl, halogen, an alkyl, aryl, cycloalkyl, alkoxy, aryloxy, amino or alkylthio radical,

REFERENCES:
patent: 2432419 (1947-12-01), Heimbach
patent: 2569418 (1951-09-01), Kellog
patent: 3515715 (1970-06-01), Straley et al.
patent: 3654259 (1972-04-01), Iizuka et al.
patent: 3679656 (1972-07-01), Iizuka et al.
patent: 3804823 (1974-04-01), Fisher et al.
bee et al., J. Chem. Soc. C 1966, 2031-2038.

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