反应条件
1: 93 percent / N,N-diisopropylethylamine / dimethylformamide 2: LiHMDS / THF 1) 1 h, -78 deg C 2) 2 h, -10 deg C 3) 1 h, -78 deg C 4) 16 h, r.t. 3: 81 percent / 0.5percent H2SO4 / acetic acid / 1 h / 95 - 100 °C View Scheme
参考文献
Nagarathnam, Dhanapalan; Cushman, Mark
Journal of Organic Chemistry, 1991 , vol. 56, # 16 p. 4884 - 4887
