反应条件
1: diphenylphosphoryl azide, triethylamine / 26 h / Heating 2: 25percent HBr / 2 h / Ambient temperature 3: 44 percent / methanol / 7 h / 140 °C 4: concd. H2SO4, fuming HNO3 / 0.33 h / 0 °C 5: 93 percent / concd. H2SO4 / 0 - 20 °C View Scheme
参考文献
Deady, Leslie W.; Korytsky, Olga L.; Rowe, Jeffrey E.
Australian Journal of Chemistry, 1982 , vol. 35, # 10 p. 2025 - 2034