Abstract
Nitrosation of 3-alkylamino-5-arylamino-6H-anthra[1,9-cd]isoxazol-6-ones with sodium nitrite in acetic acid leads to the formation of the corresponding unstable N-nitroso derivatives which are converted into 3-alkyl-5-arylamino-6,11-dihydro-3H-anthra[1,2-d][1,2,3]triazole-6,11-dione 2-oxides on heating.
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Original Russian Text © L.M. Gornostaev, L.V. Dolgushina, N.G. Titova, E.V. Arnol’d, T.I. Lavrikova, 2006, published in Zhurnal Organicheskoi Khimii, 2006, Vol. 42, No. 9, pp. 1380–1383.
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Gornostaev, L.M., Dolgushina, L.V., Titova, N.G. et al. Synthesis of 3-alkyl-5-arylamino-6,11-dihydro-3H-anthra[1,2-d]-[1,2,3]triazole-6,11-dione 2-oxides by nitrosation of 3-alkylamino-5-arylamino-6H-anthra[1,9-cd]isoxazol-6-ones. Russ J Org Chem 42, 1364–1367 (2006). https://doi.org/10.1134/S1070428006090193
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DOI: https://doi.org/10.1134/S1070428006090193