有机化合物中单电子σ键研究进展

引用本文: 陈麒文, 王宝雷. 有机化合物中单电子σ键研究进展[J]. 大学化学, 2025, 40(11): 191-198. doi: 10.12461/PKU.DXHX202412136 shu

Citation: Qiwen Chen, Baolei Wang. Research Progress on One-Electron σ-Bond of Organic Compounds[J]. University Chemistry, 2025, 40(11): 191-198. doi: 10.12461/PKU.DXHX202412136 shu

有机化合物中单电子σ键研究进展

陈麒文 ,
王宝雷 ^,

南开大学化学学院, 元素有机化学国家重点实验室, 天津 300071

通讯作者: 王宝雷,E-mail:nkwbl@nankai.edu.cn

基金项目:
国家自然科学基金(22077070)

摘要: 共价键的概念最早由美国化学家Lewis提出，其中σ键是共价键基本类型之一，经典的σ键是由两个原子共用一对电子而形成。作为一种特殊的σ键——单电子σ键，是由两个原子共用一个电子所形成，早在1931年由美国化学家Pauling从理论上提出其存在的可能性。然而由于这种化学键的稳定性较差，在此后较长的时间里都没有相关的有机化合物被合成出来。本文重点介绍近二十几年来陆续被发现的若干有机化合物(含有机金属化合物)中单电子σ键的形成和性质相关研究进展，其中主要包括磷磷单电子σ键、硼硼单电子σ键、碳碳单电子σ键，以及极性的硼/铝/镓和铜原子之间的单电子σ键。

关键词:

English

Research Progress on One-Electron σ-Bond of Organic Compounds

Qiwen Chen ,
Baolei Wang ^,

State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China

Corresponding author: Baolei Wang, nkwbl@nankai.edu.cn

Received Date: 30 December 2024
Revised Date: 17 April 2025
Available Online: 29 July 2025

Abstract: The concept of covalent bonds was initially introduced by the American chemist Lewis, with the σ bond being one of its fundamental types. A classical σ bond is formed through the sharing of an electron pair between two atoms. A distinctive variant, the one-electron σ bond, involves two atoms sharing a single electron, a possibility first theorized by the American chemist Pauling in 1931. Due to its inherent instability, the synthesis of organic compounds featuring such bonds remained elusive for many years. This review highlights the advancements in the study of the formation and characteristics of one-electron σ bonds in various organic compounds, including organometallic compounds, over the past two decades. Key focus areas include phosphorus-phosphorus, boron-boron, and carbon-carbon one-electron σ bonds, as well as polar one-electron σ bonds between boron/aluminum/gallium and copper atoms.

Key words:

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

有机化合物中单电子σ键研究进展

通讯作者: 王宝雷,E-mail:nkwbl@nankai.edu.cn

English

Research Progress on One-Electron σ-Bond of Organic Compounds

Corresponding author: Baolei Wang, nkwbl@nankai.edu.cn

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

有机化合物中单电子σ键研究进展

通讯作者: 王宝雷,E-mail:nkwbl@nankai.edu.cn

English

Research Progress on One-Electron σ-Bond of Organic Compounds

Corresponding author: Baolei Wang, nkwbl@nankai.edu.cn

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

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