反应条件
1: 99.5 percent / n-BuLi / tetrahydrofuran; hexane / 14 h / Ambient temperature 2: 73.6 percent / POCl3 / 14 h / Ambient temperature 3: 100 percent / NH2OH*HCl, AcONa / ethanol / 14 h / Ambient temperature 4: 93.5 percent / Ac2O / 2 h / Heating 5: 1.) NaOEt / 1.) ethanol, RT, 20 min, 2.) ethanol, reflux, 12 h View Scheme
参考文献
Heterocycles, , vol. 38, # 5 p. 1119 - 1126