反应条件
1: 92 percent / diethyl ether / 5 h / 0 °C 2: 82 percent / POCl3 / pyridine / 8 h / Ambient temperature 3: 92 percent / BF3*Et2O / CH2Cl2 / 1 h / Ambient temperature 4: 81 percent / iPr2NEt / CH2Cl2 / 7 h / Ambient temperature 5: 59 percent / Na2CO3, MeI / H2O; acetonitrile / 3 h / Heating 6: 1.) HMPA, 15percent w/w n-BuLi / 1.) THF, hexane, -78 deg C, 15 min; 2.) THF, -78 deg C, 10 min; 0 deg C, 30 min; rt, 6 h 8: 44 percent / PCC / CH2Cl2 / 3.5 h / Ambient temperature 9: 96 percent / ethanethiol, BF3*Et2O / CH2Cl2 / 0.5 h / Ambient temperature View Scheme
参考文献
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), , p. 117 - 124
