反应条件
1: n-BuLi / 1.) ether, -78 deg C - -40 deg C; 2.) -40 deg C - 0 deg C 2: 69 percent / 2,4-Dinitrobenzenesulfenyl chloride, NEt3 / CH2Cl2 / 1 h / 25 °C 3: m-Chloroperbenzoic acid (85percent), NaHCO3 / CCl4; H2O / 1 h / 0 °C 4: 1.) NBS; 2.) 1,5-Diazabicyclo<5.4.0>undec-5-ene / 1.) CCl4, reflux, 1 h, sunlamp; 2.) CH2Cl2, 25 deg C, 0.5 h View Scheme
参考文献
Reich, Ieva L.; Reich, Hans J.
Journal of Organic Chemistry, 1981 , vol. 46, # 18 p. 3721 - 3727