反应条件
1.1: 88 percent / diisopropylethylamine / CH2Cl2 / 0 - 20 °C 2.1: n-BuLi; TMEDA / tetrahydrofuran; hexane / 1.5 h / -78 °C 2.2: 87 percent / tetrahydrofuran; hexane / 18 h / 20 °C 3.1: 86 percent / pyridinum chlorochromate; Celite / CH2Cl2 / 19 h / 20 °C 4.1: 96 percent / aq. p-TsOH / dioxane / 20 h / 55 °C 5.1: 97 percent / K2CO3 / dimethylformamide / 18 h / 70 °C View Scheme
参考文献
Capecchi, Tanya; De Koning, Charles B.; Michael, Joseph P.
Journal of the Chemical Society, Perkin Transactions 1, 2000 , # 16 p. 2681 - 2688