反应条件
1: 1.) n-BuLi, 2.) CeCl3 / 1.) THF, hexane, -74 deg C, 30 min, 2a.) -74 deg C, 1 h, 2b.) from -74 deg C to RT, 1.5 h
2: Jones reagent / acetone / 2 h
3: DBU / CH2Cl2; diethyl ether / 3 h
View Scheme
参考文献
Marczak, S.; Wicha, J.
Synthetic Communications, 1990 , vol. 20, # 10 p. 1511 - 1520