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区域选择性合成二苯并[d,f][1,3]二噁烷

Baohua ZHANG,Lanxiang SHI

Chinese Journal of Applied Chemistry（2018）

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Abstract
针对二苯并[d,f][1,3]二噁烷传统制备方法中易产生二羟基联苯乙烯副产物的缺点,本文以路易斯酸性胍盐离子液体为催化剂,2,2'-二羟基联苯和端基炔为原料,高区域选择性的合成了二苯并[d,f][1,3]二噁烷,收率39％～84％.本方法适用于各种端基炔.路易斯酸性胍盐离子液体循环利用5次,活性不变.
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Key words
synthesis
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