22439-61-8 2-溴二苯并噻吩

运输信息：常温运输。危险描述：非危险化学品。

用于化学合成和材料科学领域。

化学合成；材料科学

路线1：

• 步骤：将9.2g二苯并噻吩溶于150ml 1,2-二氯乙烷中，加入10.7g N-溴代琥珀酰亚胺和3g酸性粘土（pH=3），10℃反应6小时；加入150ml 5%碳酸氢钠水溶液搅拌1小时，分层后有机层水洗两次，蒸馏除溶剂得固体；加入300ml乙腈加热至82℃溶解，冷却至30℃析出副产物2,7-二溴二苯并噻吩，滤液蒸馏出310ml乙腈后冷却至室温，过滤得12.3g产品。
• 条件：10℃，1,2-二氯乙烷/水混合溶剂，N-溴代琥珀酰亚胺，酸性粘土（32.6wt%二苯并噻吩），5%碳酸氢钠水溶液，乙腈重结晶。
• 收率：93.18%，纯度99%以上。
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