反应条件
1: 88 percent / NaH / dimethylformamide 2: 89 percent / NaBH4 / methanol 3: Et3N / CH2Cl2 / 1.5 h 4: NaBH4 / dimethylformamide 5: K2CO3 / methanol 6: O3, Me2S / CH2Cl2; pyridine / -78 °C 7: CrO3, acid / acetone / -30 °C 8: ethyl acetate View Scheme
参考文献
Tetrahedron Letters, , vol. 39, # 19 p. 2881 - 2882