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醋酸酮催化二硫醚与四氢呋喃的氧化偶联反应

Copper Acetate Catalyzed Oxidative Coupling of Disulfides with Tetrahydrofuran
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摘要 研究了醋酸酮催化二硫醚与四氢呋喃以氧化偶联反应构建C—S键。结果表明,在醋酸酮(10%摩尔分数)、二硫醚(0.5 mmol)、四氢呋喃(2 m L)和双氧水(35%,2倍化学计量),反应温度120℃条件下,二硫醚与四氢呋喃能够顺利地发生氧化偶联反应,生成相应的C—S键化合物,合成硫醚类化合物产率中等到良好。该反应以双氧水为氧化剂,具有环境友好等特性。 A new Cu( OAc)2-catalyzed oxidative coupling of disulfides with tetrahydrofuran for the synthesis of etherified sulfides has been developed. In the presence of Cu( OAc)2( 10% molar fraction) and H2O2( 35%,2 equiv),a variety of disulfides( 0. 5 mmol) were treated with tetrahydrofuran( 2 m L) at 120 ℃ to afford the corresponding etherified sulfides in moderate to high yields. This method employs 35% aqueous H2O2 as the green oxidant,and provides an efficient way for the formation of the C—S bonds.
出处 《应用化学》 CAS CSCD 北大核心 2015年第11期1253-1258,共6页 Chinese Journal of Applied Chemistry
基金 湖南省重点建设学科(湘教发[2011]76) 湖南省科技厅计划项目(2012TP4021-3) 郴州市科技计划项目(CZ2014038)~~
关键词 醋酸酮 二硫醚 四氢呋喃 氧化偶联反应 双氧水 copper acetate disulfides tetrahydrofuran oxidative coupling reaction H2O2
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