反应条件
1: 72 percent / PBr3 / CH2Cl2 2: 70 percent / LDA / tetrahydrofuran; hexane / 30 min, -40 deg C to -10 deg C 3: 90 percent / 50percent NaOH / methanol / 10 h / Heating; 3 M HCl, EtOH, 12 h; 225 deg C, 15 min View Scheme
参考文献
Schmidt, Richard R.; Beitzke, Bernhard
Chemische Berichte, 1983 , vol. 116, # 6 p. 2115 - 2135
