反应条件
1: 63 percent / CuBr*Me2S, TBAF / tetrahydrofuran / 1.) -78 deg C, 15 h, 2.) room temperature, overnight
2: 95.6 percent / NH3, (NH4)2SO4, Li / 2-methyl-propan-2-ol / 0.25 h
3: 89.4 percent / aq. TFA / 24 h / 5 °C
View Scheme
参考文献
Mani, Neelakandha S.; Townsend, Craig A.
Journal of Organic Chemistry, 1997 , vol. 62, # 3 p. 636 - 640