反应条件
1: 1.) Na2CO3, Br2, 2.) pTsOH, 3.) iodine 2: 1.) potassium tert-butoxide / 1.) THF, 0 deg C, 10 min, 2.) THF, 0 deg C, 5 min 3: 70 percent / sodium borohydride / methanol / 0.08 h / 0 °C 4: 100 percent / lithium hydroxide / propan-2-ol; H2O / 1.5 h / Ambient temperature View Scheme
参考文献
Gunn, Bruce P.
Heterocycles, 1985 , vol. 23, # 12 p. 3061 - 3067
