反应条件
1: 78 percent / trimethylsilyl chloride / CHCl3 / 1 h / Ambient temperature
2: 1.) lithium 4,4'-di-tert-butylbiphenylide / 1.) THF, -78 deg C, 10 min, 2.) THF, -78 deg C to room temp.
3: 1.) n-BuLi, lithium 4,4'-di-tert-butylbiphenylide, 2.) MeOH / 1.) THF, hexane, -78 deg C, 10 min, 2.) THF, hexane, -78 deg C
View Scheme
参考文献
Chen, Fangping; Mudryk, Boguslaw; Cohen, Theodore
Tetrahedron, 1994 , vol. 50, # 45 p. 12793 - 12810