Tetraphenylketazines and isoindolinone pigments obtained therefr

Details Tetraphenylketazines and isoindolinone pigments obtained therefr Tetraphenylketazines and isoindolinone pigments obtained therefr

1979-01-30

1980-11-04

Daus, Donald G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106288Q, 564249, C07D20934

Patent

active

042319315

ABSTRACT:
Isoindolinone pigments of the formula ##STR1## wherein X.sub.1, X.sub.2, X.sub.3 and X.sub.4 represent hydrogen or halogen atoms, or one or two of X.sub.1 -X.sub.4 represent alkoxy groups of 1 to 4 carbon atoms or phenoxy groups and the others represent hydrogen or halogen atoms, R and R" represent hydrogen or halogen atoms or methyl or methoxy groups, R.sub.1, R.sub.2, R.sub.4 and R.sub.5 represent hydrogen, chlorine or bromine atoms or alkyl groups of 1 to 2 carbon atoms, R.sub.3 and R.sub.6 represent hydrogen or halogen atoms, alkyl or alkoxy groups of 1 to 2 carbon atoms or radicals of the formula ##STR2## Q represents a direct bond or a p-phenylene group, n is 1 or 2 and X represents a group of the formula ##STR3## wherein R.sub.7 and R.sub.8 represent hydrogen or chlorine atoms or methyl groups.

REFERENCES:
patent: 3810889 (1974-05-01), Model
patent: 4006162 (1977-02-01), Model

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