反应条件
1: 1M H2SO4 / H2O / 3 h / Heating 2: 1) ammonium carbonate, 2) KOH / 1) diethylene glycol, 120-130 deg C, 1h, 2) 195 deg C, 3h 3: 1a) BuLi / 1a) THF, hexane, -70 deg C, 1b) 0 deg C, 1h, 2) THF, -40 deg C 4: 60 percent / DDQ / toluene / 85 °C / one night 5: 85 percent Chromat. / 3M NaOH / ethanol / 0.5 h / 0 °C View Scheme
参考文献
Recueil des Travaux Chimiques des Pays-Bas, , vol. 109, # 4 p. 287 - 297
