| 区域选择性合成二苯并[d,f][1,3]二噁烷 |
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| 引用本文： | 张宝华,史兰香.区域选择性合成二苯并[d,f][1,3]二噁烷[J].应用化学,2018,35(11):1331-1334. |
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| 作者姓名： | 张宝华 史兰香 |
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| 作者单位： | 石家庄学院化工学院 石家庄 050035 |
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| 摘 要： | 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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| 关 键 词： | 胍盐离子液体 二苯并[d f][1 3]二噁烷 二羟基联苯 端基炔 |
| 收稿时间： | 2017-11-27 |
Regioselective Synthesis of Dibenzo[d,f][1,3]dioxepines |
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| ZHANG Baohua,SHI Lanxiang.Regioselective Synthesis of Dibenzo[d,f][1,3]dioxepines[J].Chinese Journal of Applied Chemistry,2018,35(11):1331-1334. |
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| Authors: | ZHANG Baohua SHI Lanxiang |
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| Institution: | College of Chemical Engineering,Shijiazhuang University,Shijiazhuang 050035,China |
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| Abstract: | In order to overcome the shortcomings of facile production of dihydroxy diphenyl ethylene by-product in traditional method, dibenzod,f]1,3]dioxepines was synthesized highly regioselectively from a broad range of terminal alkynes with Lewis acidic guanidinium ionic liquid catalyst in 39%~84% yields. The Lewis acidic guanidinium ionic liquid can be reused five times without significantly decrease in catalytic activity. |
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| Keywords: | guanidinium ionic liquid dibenzo[d f][1 3]dioxepine dihydroxybiphenyl terminal alkyneterminal alkyne |
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