反应条件
1: 1) n-BuLi / 1) THF/hexane, -78 deg C, 10 h, 2) THF, -78 deg C to rt, 12 h
2: N2H4 / methanol / 4 h / Heating
3: 99 percent / nBu4NF / tetrahydrofuran / Ambient temperature
4: NEt3 / CH2Cl2 / 0.25 h / 0 °C
5: KOtBu / tetrahydrofuran / 1) 0 deg C, 10 min, 2) rt, 30 min
6: 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
