反应条件
1: 67 percent / potassium carbonate / acetone / 24 h / Heating
2: 60 percent / potassium t-butoxide / tetrahydrofuran / 18 h
3: 71 percent / potassium t-butoxide / dimethylsulfoxide / 24 h
4: anhydrous ammonia, lithium / hydrated ferric nitrate / tetrahydrofuran / 16 h
View Scheme
参考文献
Unangst, Paul C.; Carethers, Mary E.
Journal of Heterocyclic Chemistry, 1984 , vol. 21, p. 709 - 714