反应条件
1: 100 percent / H2 / 10percent Pd/C / ethyl acetate; ethanol / 8 h / Ambient temperature
2: 83 percent / 1.) TMSCl, NaBr, 2.) DMSO / acetonitrile / 2 h / Ambient temperature
3: 88 percent / pyridine, DMAP / CH2Cl2 / 4 h / Ambient temperature
4: 1.) aq. Na2S2O4, 2.) pyridine, DMAP / 1.) ether, 2.) CH2Cl2. RT
5: 100 percent / CF3COOH / CH2Cl2 / 12 h / 0 °C
6: 69 percent / BH3 / tetrahydrofuran / 6 h / 0 °C
7: 64 percent / pyridinium chlorochromate, Celite / CH2Cl2 / 3 h / Ambient temperature
8: 46 percent / diethyl ether; tetrahydrofuran / 2 h / -78 °C
9: 85 percent / pyridinium chlorochromate, Celite / CH2Cl2 / 3 h / Ambient temperature
10: 34 percent / ethanol; tetrahydrofuran / 2 h / -78 °C
11: 78 percent / Br2, azobisisobutylonitrile / CCl4 / 2 h / 70 °C
12: 99 percent / AgNO3 / acetone; H2O / 2 h / Ambient temperature
View Scheme
参考文献
Aso; Kanematsu
Chemical and Pharmaceutical Bulletin, 1993 , vol. 41, # 9 p. 1549 - 1556