Phthalone derivatives utilizable as pigments

Details Phthalone derivatives utilizable as pigments Phthalone derivatives utilizable as pigments

1979-01-04

1981-03-17

Love, Ethel G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546271, 548161, 548328, 548330, 548334, C07D23504

Patent

active

042569010

ABSTRACT:
Phthalones derived from benzimidazole can be represented by one of the following general formulas: ##STR1## in which A.sub.1 and A.sub.2 each represents an aliphatic, alicyclic, aromatic or heterocyclic radical, possibly substituted by one or more nonsolubilizing substituents, and each of the benzene nuclei B.sub.1 and B.sub.2 can bear one or two substituents selected from halogen atoms and the lower alkyl, lower alkoxy, nitro, acylamino and aryl groups or be coupled with another benzene nucleus.
These phthalones are valuable pigments for textile printing and for coloring inks, lacquers, paints, varnishes and plastic materials.

REFERENCES:
patent: 2894952 (1959-07-01), Amstutz et al.
Junek et al., Chem. Ber., 110, 2276-2282, (1977).

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