Preparation of 1-nitroanthraquinone-2-carboxylic acids

Details Preparation of 1-nitroanthraquinone-2-carboxylic acids Preparation of 1-nitroanthraquinone-2-carboxylic acids

1992-08-27

1993-09-14

Cintins, Marianne M.

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

Organic compounds

Polycyclo ring system containing anthracene configured ring...

562410, C07C 5024

Patent

active

052450589

ABSTRACT:
1-Nitroanthraquinone-2-carboxylic acids of the general formula I ##STR1## where X is hydrogen, chlorine or bromine, are prepared by oxidizing a 1-nitro-2-methylanthraquinone of the general formula II ##STR2## with nitric acid in an organic reaction medium.

REFERENCES:
patent: 3631097 (1971-12-01), Christmann, et al.
patent: 4454345 (1984-06-01), Jacques

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