| 一种简单、温和、高效、无金属催化的双硫化物合成方法 |
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| 引用本文： | 刘世钊,阿布都热西提·阿布力克木. 一种简单、温和、高效、无金属催化的双硫化物合成方法[J]. 化学通报, 2019, 82(3): 270-274 |
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| 作者姓名： | 刘世钊 阿布都热西提·阿布力克木 |
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| 作者单位： | 新疆师范大学化学化工学院化学系 乌鲁木齐830054;新疆师范大学化学化工学院化学系 乌鲁木齐830054 |
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| 摘 要： | 以95%乙醇作为溶剂,在三溴苯乙酮的存在下硫酚或硫醇发生自身偶联反应生成双硫化合物。这是继传统方法之后一种温和、操作简单、绿色并且无金属催化的合成方法。在优化反应条件下考察了多种苯硫酚和硫醇类化合物,发现芳环上连有供电基团的化合物比含吸电子基团的能获得更高的产率,并且反应时间更短;同时,以脂肪族和杂环类化合物为底物也有较高的产率。
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| 关 键 词： | 双硫化合物 α α-三溴苯乙酮 自由基反应 |
| 收稿时间： | 2018-10-15 |
| 修稿时间： | 2018-11-21 |
A simple, mild, efficient and metal-free synthesis method of disulfides |
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| Liu Shi-zhao and Abudu Rexit,#;Abulikemu. A simple, mild, efficient and metal-free synthesis method of disulfides[J]. Chemistry, 2019, 82(3): 270-274 |
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| Authors: | Liu Shi-zhao Abudu Rexit&# Abulikemu |
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| Affiliation: | Department of Chemistry,College of Chemistry and Chemical Engineering,Xinjiang Normal University,Urumqi,830054,China |
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| Abstract: | In this paper, 95% ethanol was used as solvent to form disulfide compounds by coupling with Thiophenol or mercaptan in the presence of tribromophenone. This is a mild, simple, green and metal-free synthesis method following the traditional method. A variety of thiophenols and mercaptans were investigated under the optimum reaction conditions. It was found that the aromatic ring-supported group could obtain higher yields than the aromatic ring-supported group, and the reaction time was shorter than that of the charged group. At the same time, the substrates of aliphatic and heterocyclic compounds also had higher yields. |
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