反应条件
1: 100 percent / trifluoromethanesulfonic acid, IPy2BF4 / CH2Cl2 / 0.5 h / Ambient temperature 2: 84 percent / i-Pr2NEt, Pd(OAc)2, Ph3P / dimethylformamide / 14 h / 80 °C 3: 1.) O3, 2.) NaBH4 / 1.) CH2Cl2, -78 deg C, 2.) MeOH, RT, 12 h 4: 76 percent / lipase / diethyl ether / 6 h / Ambient temperature 5: 74 percent / Et3N, 4-DMAP / CH2Cl2 / 3 h / Ambient temperature 6: 35 percent / NaBH4 / dimethylsulfoxide / 12 h / 60 °C 7: 54 percent / CrO3, H2SO4 / acetone / 0.5 h / 0 °C View Scheme
参考文献
Piccolo, Oreste; Spreafico, Franca; Visentin, Giuseppina; Valoti, Ermanno
Journal of Organic Chemistry, 1987 , vol. 52, # 1 p. 10 - 14