One-Electron (2c/1e) Tin···Tin Bond Stabilized by ortho-Phenylenediamido Ligands

Kaiyip Chan; Fei Ying; Dongyu He; Li Yang; Yanxia Zhao; Jing Xie; Ji Hu Su; Biao Wu; Xiao Juan Yang

doi:10.1021/jacs.3c11893

One-Electron (2c/1e) Tin···Tin Bond Stabilized by ortho-Phenylenediamido Ligands

Kaiyip Chan, Fei Ying, Dongyu He, Li Yang, Yanxia Zhao, Jing Xie^*, Ji Hu Su^*, Biao Wu, Xiao Juan Yang^*

^*Corresponding author for this work

School of Chemistry and Chemical Engineering

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Odd-electron bonds, i.e., the two-center, three-electron (2c/3e), or one-electron (2c/1e) bonds, have attracted tremendous interest owing to their novel bonding nature and radical properties. Herein, complex [K(THF)₆][LSn:···Sn:L] (1), featuring the first and unsupported 2c/1e Sn···Sn σ-bond with a long distance (3.2155(9) Å), was synthesized by reduction of stannylene [LSn:] (L = N,N-dpp-o-phenylene diamide) with KC₈. The one-electron Sn-Sn bond in 1 was confirmed by the crystal structure, DFT calculations, EPR spectroscopy, and reactivity studies. This compound can be viewed as a stabilized radical by delocalizing to two metal centers and can readily mediate radical reactions such as C-C coupling of benzaldehyde.

Original language	English
Pages (from-to)	2333-2338
Number of pages	6
Journal	Journal of the American Chemical Society
Volume	146
Issue number	4
DOIs	https://doi.org/10.1021/jacs.3c11893
Publication status	Published - 31 Jan 2024

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title = "One-Electron (2c/1e) Tin···Tin Bond Stabilized by ortho-Phenylenediamido Ligands",

abstract = "Odd-electron bonds, i.e., the two-center, three-electron (2c/3e), or one-electron (2c/1e) bonds, have attracted tremendous interest owing to their novel bonding nature and radical properties. Herein, complex [K(THF)6][LSn:···Sn:L] (1), featuring the first and unsupported 2c/1e Sn···Sn σ-bond with a long distance (3.2155(9) {\AA}), was synthesized by reduction of stannylene [LSn:] (L = N,N-dpp-o-phenylene diamide) with KC8. The one-electron Sn-Sn bond in 1 was confirmed by the crystal structure, DFT calculations, EPR spectroscopy, and reactivity studies. This compound can be viewed as a stabilized radical by delocalizing to two metal centers and can readily mediate radical reactions such as C-C coupling of benzaldehyde.",

author = "Kaiyip Chan and Fei Ying and Dongyu He and Li Yang and Yanxia Zhao and Jing Xie and Su, {Ji Hu} and Biao Wu and Yang, {Xiao Juan}",

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year = "2024",

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day = "31",

doi = "10.1021/jacs.3c11893",

language = "English",

volume = "146",

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T1 - One-Electron (2c/1e) Tin···Tin Bond Stabilized by ortho-Phenylenediamido Ligands

AU - Chan, Kaiyip

AU - Ying, Fei

AU - He, Dongyu

AU - Yang, Li

AU - Zhao, Yanxia

AU - Xie, Jing

AU - Su, Ji Hu

AU - Wu, Biao

AU - Yang, Xiao Juan

PY - 2024/1/31

Y1 - 2024/1/31

N2 - Odd-electron bonds, i.e., the two-center, three-electron (2c/3e), or one-electron (2c/1e) bonds, have attracted tremendous interest owing to their novel bonding nature and radical properties. Herein, complex [K(THF)6][LSn:···Sn:L] (1), featuring the first and unsupported 2c/1e Sn···Sn σ-bond with a long distance (3.2155(9) Å), was synthesized by reduction of stannylene [LSn:] (L = N,N-dpp-o-phenylene diamide) with KC8. The one-electron Sn-Sn bond in 1 was confirmed by the crystal structure, DFT calculations, EPR spectroscopy, and reactivity studies. This compound can be viewed as a stabilized radical by delocalizing to two metal centers and can readily mediate radical reactions such as C-C coupling of benzaldehyde.

AB - Odd-electron bonds, i.e., the two-center, three-electron (2c/3e), or one-electron (2c/1e) bonds, have attracted tremendous interest owing to their novel bonding nature and radical properties. Herein, complex [K(THF)6][LSn:···Sn:L] (1), featuring the first and unsupported 2c/1e Sn···Sn σ-bond with a long distance (3.2155(9) Å), was synthesized by reduction of stannylene [LSn:] (L = N,N-dpp-o-phenylene diamide) with KC8. The one-electron Sn-Sn bond in 1 was confirmed by the crystal structure, DFT calculations, EPR spectroscopy, and reactivity studies. This compound can be viewed as a stabilized radical by delocalizing to two metal centers and can readily mediate radical reactions such as C-C coupling of benzaldehyde.

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DO - 10.1021/jacs.3c11893

M3 - Article

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AN - SCOPUS:85182984099

SN - 0002-7863

VL - 146

SP - 2333

EP - 2338

JO - Journal of the American Chemical Society

JF - Journal of the American Chemical Society

IS - 4

ER -

One-Electron (2c/1e) Tin···Tin Bond Stabilized by ortho-Phenylenediamido Ligands

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