在100mL单口瓶中加入间溴苄基叠氮(5mmol,1.06g),溶剂氯仿(25mL),氩气保护,2℃下滴加三溴化硼(18mmol,4.50g)的二氯甲烷溶液(25mL),滴毕,45℃下反应14h,反应结束后,加乙醇(25mL)淬灭0.5h,反应液澄清,将反应液直接旋蒸浓缩,再用甲醇/乙醚重结晶得白色目标产物,收率84%(0.781g)。熔点:252-254℃;1HNMR(500MHz,CDCl3)δ7.45(s,1H),7.38(d,J=8.0,1H),7.23(d,J=7.5,1H),7.16(t,J=7.5,1H),3.80(s,2H),2.85(bs,2H);13CNMR(125MHz,CDCl3)δ144.0, 130.2,126.1,122.7,45.3;HRMS(ESI)calcdforC7H8BrN[M+H]+:184.98401;found: 184.98389.