1: With toluene-4-sulfonic acid in water T=20°C; 2: With potassium iodide in water T=20°C; 1.5 h;
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Trusova, Marina E.; Krasnokutskaya, Elena A.; Postnikov, Pavel S.; Choi, Younghwa; Chi, Ki-Whan; Filimonov, Victor D.
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O-(2,4-dinitro-phenyl)-hydroxylamine in 1,4-dioxane T=50°C; 24 h; Inert atmosphere;
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Zhu, Chen; Li, Gongqiang; Ess, Daniel H.; Falck, John R.; Kuerti, Laszlo
Journal of the American Chemical Society, 2012 , vol. 134, # 44 p. 18253 - 18256