4,7-二溴-2,1,3-苯并噻二唑是用于构建OLED的有用构建基块；是一种有机中间体，可用于化学合成和材料科学领域，如制备发光和导电聚合物；可通过苯并噻二唑溴代反应制备，也可由苯-1,2-二胺先关环制备苯并[c][1,2,5]噻二唑后再溴代得到。
化学合成；材料科学
路线1：
- 步骤: 将10g（73.4mmol）中间体和100ml 48％氢溴酸混合，在室温下滴加35g（22.3mmol）溴，并将反应加热回流6小时，冷却至室温，加入100ml饱和亚硫酸氢钠水溶液，滤器，滤饼再用水洗涤，乙醇重结晶，得20.7g黄色固体。
- 条件: 加热回流6小时；室温滴加溴
- 收率: 96%
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