反应条件
1: 1.) NaNO2, conc. HCl, 2.) aq. KOH, 3.) HCl/EtOH / 1.) H2O, 0 deg C, 15 min, 2.) EtOH, pH 5-6, 0 deg C, 4 h; 4 deg C, 12 h, 3.) 78 deg C, 2 h
2: 100 percent / KOH / ethanol / 1 h / Heating
3: 93.6 percent / Cu / quinoline / 2.5 h / Heating
View Scheme
参考文献
Gan; Liu; Yu; Zhao; Cook
Journal of Organic Chemistry, 1997 , vol. 62, # 26 p. 9298 - 9304