反应条件
1: 1.) n-BuLi / 1.) THF, hexane, -70 deg C, 2 h, 2.) THF, hexane, -70 deg C, 2 h 2: 52 percent / TiCl4 / methanol; acetone; CH2Cl2 / Ambient temperature View Scheme
参考文献
Motoyoshiya; Hongo; Tanaka; Hayashi
Synthetic Communications, 1991 , vol. 21, # 8-9 p. 997 - 1000
