3-溴螺环[芴-9,9'-氧杂蒽]的合成工艺研究

LI Rui, WANG Boyang,LI Guofang,SHEN Juanjuan,LIU Chang,YANG Zhenqiang

Technology & Development of Chemical Industry（2022）

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Abstract

螺[芴-9,9'-氧杂蒽]衍生物作为蓝光材料或掺杂材料,被广泛应用于有机发光半导体(OLED)器件.本文以二苯醚为起始原料,经仲丁基锂锂化后,与3-溴-9H-芴酮反应得到中间体化合物,在二氯甲烷溶剂中,经对甲基苯磺酸催化闭环反应,合成了3-溴螺环[芴-9,9'-氧杂蒽].研究表明,当锂化反应温度为-45℃,原料n(二苯醚):n(3-溴-9H-芴酮)=1.0:0.8时,目标化合物的总收率最高达到75％.

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