Document Type and Number:
Japanese Patent JPS5654304
Kind Code:
B1
Abstract:
1395347 Nitration of anthraquinone SANDOZ Ltd 5 June 1972 [10 June 1971 5 Oct 1971 20 Oct 1971] 26122/72 Heading C2C The nitration of anthraquinone using concentrated nitric acid is characterized in that, after commencement of and during nitration, the rate of reaction is reduced by the addition of a nitrite ion nitration inhibitor. The nitrite ion may be added in the form of N 2 O 3 or a soluble nitrite. The process is particularly applicable to the production of 1-nitroanthraquinone.
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Application Number:
JP5727272A
Publication Date:
December 24, 1981
Filing Date:
June 08, 1972
Export Citation:
International Classes:
C07B43/02; C07C201/08; C07C205/47; (IPC1-7): C07C79/10; C07C76/02
Foreign References:
| US3204000A | 1965-08-31 |