作为医药中间体(具体用途未明确说明,基于其在医药相关专利中的应用)
医药
合成路线 1(1. 合成:17965-71-8)
产率:55%
合成条件:With bromine; sodium acetate In acetic acid at 85℃; for 5 h;
实验步骤:3-溴-1,5-二氮杂萘(5)向化合物4(2.7g,20.76mmol)和NaOAc(3.41g,41.52mmol)在10mL冰AcOH中于85℃搅拌的溶液中加入Br 2溶液( 1 M)在AcOH(35mL)中5小时,然后冷却至室温并真空浓缩以除去AcOH。通过色谱法(PE / EA = 2:1)纯化,得到化合物5(2.36g,55%),为白色固体。 熔点:107108℃(Ref.2108109℃).1 H NMR(400MHz,CDCl3):δ8.96(d,J = 2.1Hz,2H),8.56(s,1H),8.36(d ,J = 8.5Hz,1H),7.69-7.56(m,1H)。
参考文献:
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