反应条件
1: PCC/silica / CH2Cl2 / 0.83 h / ultrasound
2: MgSO4 / diethyl ether / 1 h / Ambient temperature
4: 89 percent / Li / tetrahydrofuran; liquid ammonia / 1 h / Heating
5: 1) n-BuLi / 1) THF/hexane, -78 deg C, 10 h, 2) THF, -78 deg C to rt, 12 h
6: N2H4 / methanol / 4 h / Heating
7: 99 percent / nBu4NF / tetrahydrofuran / Ambient temperature
8: NEt3 / CH2Cl2 / 0.25 h / 0 °C
9: KOtBu / tetrahydrofuran / 1) 0 deg C, 10 min, 2) rt, 30 min
10: 79 percent / anisole, trifluoroacetic acid / CH2Cl2 / 0.25 h
View Scheme
参考文献
Enders, Dieter; Tiebes, Joerg
Liebigs Annalen der Chemie, 1993 , # 2 p. 173 - 178
