| 吡啶氮桥联双环三唑鎓盐的合成及其在催化苯偶姻缩合、酯交换反应中的应用 |
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| 引用本文： | 马亚军,薛成虎.吡啶氮桥联双环三唑鎓盐的合成及其在催化苯偶姻缩合、酯交换反应中的应用[J].化学学报,2010,68(9):897-903. |
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| 作者姓名： | 马亚军 薛成虎 |
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| 作者单位： | 榆林学院化学与化工学院,榆林,719000 |
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| 基金项目： | 陕西省教育厅科学研究计划 |
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| 摘 要： | 合成了12个吡啶氮桥联的双环三唑鎓盐2a～2l卡宾催化剂前体,用于催化苯偶姻缩合反应和酯交换反应,考察了反应条件对催化反应的影响,并与其它三唑鎓盐的催化活性进行了比较.结果表明,在较低催化剂用量下,催化剂2c表现出优良的催化活性,分离产率最高分别达到98%和93%.
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| 关 键 词： | 吡啶并三唑鎓盐 N-杂环卡宾 苯偶姻缩合 酯交换反应 |
| 收稿时间： | 2009-08-26 |
| 修稿时间： | 2009-11-18 |
Synthesis of Pyrido-annulated Triazolium Salts and Its Application in Benzoin Condensation and Transesterification Reaction |
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| Ma Yajun,Xue Chenghu.Synthesis of Pyrido-annulated Triazolium Salts and Its Application in Benzoin Condensation and Transesterification Reaction[J].Acta Chimica Sinica,2010,68(9):897-903. |
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| Authors: | Ma Yajun Xue Chenghu |
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| Institution: | (School of Chemistry and Chemical Engineering, Yulin University, Yulin 719000) |
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| Abstract: | A new class of pyrido-annulated triazolium salts 2a～21 has been synthesized and its application to the benzoin condensation and transesterification reaction catalyzed by pyrido-annulated triazolium salts was explored, Reaction condition effect was tested. The triazolium salt 2e turned out to be a powerful catalyst in benzoin condensation and transesterification reaction, which was comparable with or even superior to other well-established triazolylidenes already in the literature. |
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| Keywords: | pyrido-annulated triazolium salt N-heterocyclic carbene benzoin condensation transesterification reaction |
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