反应条件
1: Br2 / acetic acid 2: NBS, Ph3P / benzene / 1.5 h / Heating 3: 1.) n-BuLi / 1.) THF, -100 deg C, 1 h 2.) -100 deg C, 2h and warm up to room temp. 4: 98 percent / 20percent aq. NaOH / methanol / 5 h / Heating 5: Diphenylphosphoroazidate, Et3N / benzene / 2 h / Heating 6: 24 h / Heating 7: 86 percent / Hydrogen, HCl / 5percent Pd/C / methanol 8: 48percent HBr / Heating View Scheme
参考文献
Narula, Anubhav P.S.; Schuster, David I.
Tetrahedron Letters, 1981 , vol. 22, # 38 p. 3707 - 3710
