1: 1.) n-BuLi / 1.) THF, hexane, -78 deg C, 30 min, 2.) THF, hexane, from -78 deg C to RT, overnight
2: toluene-4-sulfonic acid / toluene / 1.5 h / Heating
View Scheme
参考文献
Hird, Michael; Toyne, Kenneth J.; Slaney, Andrew J.; Goodby, John W.; Gray, George W.
Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1993 , # 12 p. 2337 - 2350