1: With hydrogen bromide in 1,4-dioxane; water 0.583333 h; Heating / reflux; 2: With sodium nitrite in 1,4-dioxane; water T=0°C; 0.75 h; 3: With copper(I) bromide in 1,4-dioxane; water T=0 - 60°C; 0.5 h;
1: With sulfuric acid in water T=0°C; Inert atmosphere; 2: With sodium nitrite in water T=0 - 5°C; Inert atmosphere; 3: With sodium hydrogen sulphate; sulfuric acid; urea in water T=0 - 140°C; Inert atmosphere;
参考文献
Fischer, Felix R.; Nuckolls, Colin
Angewandte Chemie - International Edition, 2010 , vol. 49, # 40 p. 7257 - 7260