反应条件
1: 3.) 35 percent aq. HCl / 1.) hexane, THF, -78 deg C, 30 min; 2.) hexane, THF, -78 deg C, 90 min; 3.) hexane, THF, ethanol, -78 deg C 2: 67 percent / 2M H2SO4 / H2O / 0.75 h / Heating View Scheme
参考文献
Lempereur, Claude; Ple, Nelly; Truck, Alain; Queguiner, Guy; Corbin, Florence; Alayrac, Carole; Metzner, Patrick
Heterocycles, 1998 , vol. 48, # 10 p. 2019 - 2034
