Bis-(dialkoxycarbonylphenylazo)acetoacetamidoarylenes

Details Bis-(dialkoxycarbonylphenylazo)acetoacetamidoarylenes Bis-(dialkoxycarbonylphenylazo)acetoacetamidoarylenes

1972-08-07

1976-12-14

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106 23, 106288Q, 106308Q, 260471R, 260562A, 260562K, C09B 3314, C09B 3110, D06P 118, D06P 342

Patent

active

039975215

ABSTRACT:
Compounds of the formula ##STR1## wherein each R.sub.1 is alkyl of 1 to 3 carbon atoms, and
A is phenylene, substituted phenylene, diphenylene, substituted diphenylene or naphthylene, wherein each substituent of substituted phenylene is independently fluoro, chloro, bromo, methyl, methoxy, ethoxy, trifluoromethyl or cyano and each substituent of substituted diphenylene is independently chloro, bromo, methyl or methoxy,
With the proviso the two CO--O--R.sub.1 groups on each ring are meta or para to each other. These compounds are eminently suitable as pigments for the mass pigmentation of synthetic polymers and resins such as polyethylene, polystyrene, polyvinyl chloride, poromerics and rubber latices.

REFERENCES:
patent: 1879223 (1932-09-01), Hardtmann
patent: 3272858 (1966-09-01), White

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