2015年3月
Lowering the Reduction Potential of a Boron Compound by Means of the Substituent Effect of the Boryl Group: One-Electron Reduction of an Unsymmetrical Diborane(4)
CHEMISTRY-A EUROPEAN JOURNAL
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- 巻
- 21
- 号
- 11
- 開始ページ
- 4267
- 終了ページ
- 4271
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1002/chem.201406609
- 出版者・発行元
- WILEY-V C H VERLAG GMBH
We have clarified and observed the high electron affinity of pinB-BMes(2) (1; Mes = mesityl, pin = pinacolato). By using electrochemistry, it was shown that 1 has a higher electron affinity than those of B(2)pin(2) and Mes(3)B. One-electron reduction of 1 gave the corresponding radical anion. The ESR spectroscopy and DFT calculation revealed the unsymmetrical distribution of electron density over the B-B bond. UV/Vis spectroscopy showed that the SOMO-related absorption supports the deep purple color of the radical anion. DFT studies on the torsion angle dependency of the LUMO levels and relative energies revealed the reason why 1 has high electron affinity as a result of the substituent effect of the Bpin group.
- リンク情報
- ID情報
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- DOI : 10.1002/chem.201406609
- ISSN : 0947-6539
- eISSN : 1521-3765
- Web of Science ID : WOS:000350763600016