Anthraquinone compounds and process for preparing same

Details Anthraquinone compounds and process for preparing same Anthraquinone compounds and process for preparing same

1977-09-23

1978-07-04

Rollins, Alton D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

8 1D, 8 34, 8 36, 8 37, 8 39R, 8 40, 106 22, 106288Q, 260 18PF, 260 304R, 260 39P, 260 4221, C07D28510

Patent

active

040987930

ABSTRACT:
The present invention relates to a new class of compounds belonging to the anthraquinone series, having the general formula: ##STR1## wherein R, R', R", R'", R' are indifferently H or Chlorine, ##STR2## Such compounds exhibit a color varying from yellow to violet depending on the nature and position of substituents R, R', R", R'", R'.sup.v and, in virtue of their excellent stability characteristics, they are particularly useful as pigments and vat dyes.
This invention relates furthermore to the preparation of compounds having general formula (I) and to the utilization thereof, particularly in the following applications:

REFERENCES:
patent: 2870172 (1959-01-01), Schoenauer
patent: 2925421 (1960-02-01), Pizzarello et al.
patent: 3157667 (1964-11-01), Kern et al.
patent: 3304310 (1967-02-01), Hari et al.
patent: 3823167 (1974-07-01), Peters et al.

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