反应条件
2: 88 percent / Et3N / CH2Cl2 / 1.) 0 deg C, 2.) 40 deg C, 1 d
3: 93 percent / LDA / tetrahydrofuran / 1.) -78 deg C, 20 min, 2.) -78 deg C, 30 min
4: 96 percent / n-Bu4NF / tetrahydrofuran / 0.5 h / 0 °C
5: 54 percent / Et3N, Br2 / CCl4 / 1.) 0 deg C, 2.) 25 deg C, 4 h
6: toluene-d8 / 3 h / 130 °C
View Scheme
参考文献
Ohno, Fumihiko; Kawashima, Takayuki; Okazaki, Renji
Chemical Communications, 1997 , # 17 p. 1671 - 1672
