反应条件
1: 97 percent / H2O, 10percent HCl / methanol / 1 h / Ambient temperature 2: 1.) t-BuOK / 1.) anhydrous THF, 30 min, RT, 2.) THF, RT, 24 h 3: 58 percent / LAH / diethyl ether / 6 h / -78 °C 4: 1.) (L)-(+)-diisopropyl tartrate, 4A sieves, Ti(OiPr)4, t-BuOOH / 1.) CH2Cl2, 1 h, 2.) CH2Cl2, -20 deg C, 3.5 h 5: H2, 1M NaOH / 10percent Pd/C / ethanol / Ambient temperature 6: LiBr, NCS / methanol / Ambient temperature 7: TsOH / Ambient temperature 8: 1.) t-BuLi / 1.) Et2O, hexane, -78 deg C, 2.) Et2O, hexane, RT 9: H2O, 5percent HCl / methanol / RT, then -20 deg C 10: RuCl3*H2O, NaIO4 / CCl4; acetonitrile; H2O / Ambient temperature View Scheme
参考文献
Tetrahedron, , vol. 51, # 46 p. 12645 - 12660