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 |
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| Authors: | L. M. Gornostaev L. V. Dolgushina N. G. Titova E. V. Arnol’d T. I. Lavrikova |
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| Affiliation: | (1) Astaf’ev Krasnoyarsk State Pedagogical University, ul. Lebedevoi 89, Krasnoyarsk, 660049, Russia |
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| 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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