3-碘-9-苯基咔唑是有机电致发光材料(OLED)的中间体,用于OLED生产工艺,可解决现有工艺复杂、收率低、成本高及污染严重的问题。
有机电致发光材料(OLED)
路线1:以N-苯基咔唑为原料合成3-碘-9-苯基咔唑
- 步骤: 将2.433 g(10 mmol)N-苯基咔唑(中间体化合物A)溶解于100 mL 80%乙酸溶液中,依次加入1.357 g(5.35 mmol)碘单质(I₂)和0.333 g(1.46 mmol)邻-正辛酸(H₅IO₆);在氮气保护下,80℃搅拌反应2小时;反应完成后,用乙醚(50 mL)萃取三次,合并有机层,无水硫酸镁干燥,减压蒸发溶剂,硅胶柱色谱纯化,得到3.23 g 3-碘-9-苯基咔唑(中间体化合物B)。
- 条件: 反应温度80℃,反应时间2小时,氮气保护,溶剂为80%乙酸水溶液,萃取剂为乙醚,纯化方法为硅胶柱色谱。
- 收率: 87%。
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