Preparation of 1-nitroanthraquinone-2-carboxylic acid

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

C - Chemistry, Metallurgy

07

C

260/236.1, 260/2

C07C 205/47 (2006.01) C07C 205/61 (2006.01) C07C 225/24 (2006.01)

Patent

CA 2001989

- 12 - O.Z. 0050/40363 Abstract of the Disclosure: 1-Nitroanthraquinone-2- carboxylic acid of the formula I Image (I) is prepared py treating novel 2-substituted 1-nitro- anthraquinone of the general formula II Image (II) where R is -CH=CH-R1 or -CH2-CHO, where R1 is C1-C5- dialkylamino or a cyclic 5- or 6-membered amine which may contain further hetero atoms, with oxidizing agents free of heavy metal.

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