Nitro acridone dyes

Details Nitro acridone dyes Nitro acridone dyes

1975-04-16

1977-07-05

Daus, Donald G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

8 542, 8 25, 8178R, 8179, C09B 1500, C07D21908

Patent

active

040339653

ABSTRACT:
A disperse dye which contains no water-solubilizing groups, of the formula ##STR1## WHEREIN P IS 1 OR 2, R is a straight-chain alkylene radical which may be interrupted by sulphur oxygen atoms or a branched alkylene radical which is unsubstituted or substituted by hydroxy groups, R.sub.1 is an aryl group which is substituted or unsubstituted or a benzyl radical which is substituted or unsubstituted, X is an oxygen or a sulphur atom, the rings A and B can carry further non-ionic substituents, and the ring A can carry a further fused benzo ring.

REFERENCES:
patent: 3541099 (1970-11-01), Burdeska et al.
patent: 3624255 (1971-11-01), Burdeska et al.
patent: 3975150 (1976-08-01), Brack
Burdeska et al., Chemical Abstracts, vol. 78, 17,591b (1973).
Burdeska et al., Helv. Chim. Acta., 55, pp. 1948-1958 (1972).

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