Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing
Patent
1980-05-27
1982-03-02
Berch, Mark L.
Organic compounds -- part of the class 532-570 series
Organic compounds
Amino nitrogen containing
C07D11900
Patent
active
043179290
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 represents alkoxy groups of 1 to 4 carbon atoms of 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 et al.
patent: 3867404 (1975-02-01), von der Crone et al.
patent: 4006162 (1977-02-01), Model et al.
S. Avramovici et al., Chem. Abstracts 76: 14055c, (1972), Derivatives of Hydrozinocarboxylic acid.
Berch Mark L.
Ciba-Geigy Corporation
Falber Harry
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