反应条件
1: 68 percent / NaOMe / methanol / 18 h / 24 °C
2: 75 percent / CrO3*2 pyridine / CH2Cl2 / 1 h / 24 °C
3: 50 percent / K2CO3, 18-crown-6 / benzene / 5 h / 60 °C
4: 85 percent / NaBH4, CeCl3*3H2O / methanol / 0.08 h / 0 °C
5: Et3N / CH2Cl2 / 0.17 h / 0 °C
6: 84 percent / LiN3 / dimethylsulfoxide; hexamethylphosphoric acid triamide / 16 h / 24 °C
7: 85 percent / 1,3-propanedithiol, Et3N / methanol / 16 h / 24 °C
8: 52 percent / Et3N / butan-1-ol / 48 h / Heating
9: Ac2O / HCl without Ac2O
10: NH3 / methanol / 24 h / 65 °C
11: 61 percent / BCl3 / CH2Cl2 / 2 h / -78 °C
View Scheme
参考文献
Lim, Mu-ill; Marquez, Victor E.
Tetrahedron Letters, 1983 , vol. 24, # 50 p. 5559 - 5562
