Hydroxyquinolyl- and quinazolonylazoacetoacetylbenzimidazolone p

Details Hydroxyquinolyl- and quinazolonylazoacetoacetylbenzimidazolone p Hydroxyquinolyl- and quinazolonylazoacetoacetylbenzimidazolone p

1974-08-19

1976-06-15

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106 23, 106288Q, 260152, 260155, 260156, 260157, 2602475R, 260250Q, 260251Q, 260288R, 2603092, 428412, 428423, 428446, 428492, 428500, 428538, C09B 2936, D06P 108, D06P 144

Patent

active

039636941

ABSTRACT:
Azo pigments of the formula ##EQU1## wherein A is a condensed ring system consisting of a benzene ring and a 5- or 6-membered hetero ring having nitrogen in the cyclus and a keto group, R is alkyl, cycloalkyl or aryl and Y is hydrogen, halogen, alkyl, cycloalkyl, alkoxy, aryl or nitro, and the azo group is not bonded directly to the hetero ring of the diazo component, are prepared. These pigments are useful for coloring organic material of high molecular weight, such as cellulose ethers and esters, and polyesters. Th pigments have excellent fastness to light and migration.

REFERENCES:
patent: 2908678 (1959-10-01), Goebel et al.
patent: 2993884 (1961-07-01), Ruegg et al.
patent: 3109842 (1963-11-01), Schilling et al.
patent: 3234206 (1966-02-01), Liechti
patent: 3609134 (1971-09-01), Mory

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