反应条件
1: 41 percent / Br2 / CH2Cl2 / -78 °C 3: 72 percent / (NH4)2SO4, tert-butyl alcohol, NH3, Li / tetrahydrofuran 4: 88 percent / Et3N, 1M tetra-n-butylammonium fluoride / tetrahydrofuran / 25 h / 21 °C View Scheme
参考文献
Journal of Organic Chemistry, , vol. 51, # 12 p. 2230 - 2240