反应条件
1: 1) n-BuLi / 1) THF, -30 deg C, 1 h, 2) -78 deg C, 5 min 2: p-toluenesulfonic acid / benzene / 4 h / Heating 3: t-BuOK / 2-methyl-propan-2-ol / 12 h / Ambient temperature View Scheme
参考文献
Mandai, Tadakatsu; Moriyama, Tadashi; Tsujimoto, Koichiro; Kawada, Mikio; Otera, Junzo
Tetrahedron Letters, 1986 , vol. 27, # 5 p. 603 - 606
