| 在碱金属/液氨作用下两类还原反应的机理探讨 |
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| 引用本文： | 戴亚中,裴坚.在碱金属/液氨作用下两类还原反应的机理探讨[J].大学化学,2015,30(4):58-62. |
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| 作者姓名： | 戴亚中 裴坚 |
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| 作者单位： | 北京大学化学与分子工程学院 北京100871 |
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| 摘 要： | 碱金属/液氨溶液具有很强还原性,在有机合成中有着广泛的运用。在高等教育出版社出版的由邢其毅、裴伟伟、徐瑞秋以及裴坚等人编著的《基础有机化学》(第3版)中描述了在碱金属/液氨作用条件下的两类还原反应:炔烃被还原为烯烃的反应和Birch还原反应。一般认为这两种反应均生成了自由基负离子中间体。本文结合近几年的文献报道,对它们的机理进行进一步的探讨。
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| 关 键 词： | 有机化学 炔烃还原 Birch还原 反应机理 探讨 |
Mechanisms of Two Reduction Reactions under the Condition of Alkali Metal in Liquid Ammonia |
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| Dai Yazhong,Pei Jian.Mechanisms of Two Reduction Reactions under the Condition of Alkali Metal in Liquid Ammonia[J].University Chemistry,2015,30(4):58-62. |
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| Authors: | Dai Yazhong Pei Jian |
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| Institution: | College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China |
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| Abstract: | Alkali metal in liquid ammonia is widely applied in organic synthetic chemistry as a strong reducible reagent. Reduction reactions with alkali metal such as converting alkynes to olefins and Birch reactions are detailed described before. Here, we discuss its mechanisms further according to recent published literatures. |
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| Keywords: | Organic chemistry Alkali metal Alkynes to olefins Birch reaction |
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