反应条件
1: 1) NaNO2, 10percent aq. HCl, 2) NaOAc / 1) 50percent aq. MeOH, 0 deg C, 2) r.t. 2: 82 percent / sodium azide, hexadecyltributylphosphonium bromide / benzene; H2O / 0.5 h / 35 °C 3: 22 percent / benzene / 4 h / Heating View Scheme
参考文献
Journal of Heterocyclic Chemistry, , vol. 26, # 26 p. 619 - 624