Quinolino-azo-aceto-acetylaminobenzimidazolone pigments fast to

Details Quinolino-azo-aceto-acetylaminobenzimidazolone pigments fast to Quinolino-azo-aceto-acetylaminobenzimidazolone pigments fast to

1975-03-17

1976-10-12

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106288Q, 106308Q, 260 37R, 260 40R, 260 4221, 260288R, 260307C, 428446, 428480, 428492, 428500, 428537, C09B 2936, D06P 108, D06P 324, D06P 352

Patent

active

039857255

ABSTRACT:
Monoazo dyestuffs of the formula ##SPC1##
Wherein R.sub.1, R.sub.2 and R.sub.3 are identical or different and are hydrogen, alkyl or alkoxy, preferably having 1 to 2 carbon atoms, or halogen, especially chlorine, X is hydrogen or halogen, preferably chlorine and A is acetoacetyl or and a process for preparing them by coupling diazotized amines of the general formula ##SPC2##
With coupling components of the formula ##SPC3##
Where R.sub.1, R.sub.2, R.sub.3, X and A have the above meaning. These new pigments may be used for dyeing and printing of material or synthetic materials. They have good fastness properties, especially an improved fastness to heat.

REFERENCES:
patent: 3109842 (1963-11-01), Schilling et al.
patent: 3113938 (1963-12-01), Nakaten et al.
patent: 3119808 (1964-01-01), Buckley et al.
patent: 3124565 (1964-03-01), Schilling et al.
patent: 3137685 (1964-06-01), Buckley et al.

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