Issue 12, 2018

Syntheses, structures and theoretical calculations of stable triarylarsine radical cations

Abstract

The first stable triarylarsine radical cation salts 1˙+[BArF4] and 2˙+[BArF4] were afforded by one-electron oxidation of triarylarsines Trip3As (1, Trip = 2,4,6-iPr3C6H2) and Dipp3As (2, Dipp = 2,6-iPr2C6H3) with AgSbF6 and NaBArF4 (ArF = 3,5-(CF3)2C6H3), respectively. Their molecular and electronic structures were investigated by single-crystal X-ray diffraction, electron paramagnetic resonance (EPR) and UV-vis absorption spectroscopy, in conjunction with density functional theory (DFT) calculations. The EPR and computational results demonstrate that the spin density of 1˙+ and 2˙+ is mainly distributed on the As nuclei.

Graphical abstract: Syntheses, structures and theoretical calculations of stable triarylarsine radical cations

Supplementary files

Article information

Article type
Communication
Submitted
13 déc. 2017
Accepted
09 janv. 2018
First published
09 janv. 2018

Chem. Commun., 2018,54, 1493-1496

Syntheses, structures and theoretical calculations of stable triarylarsine radical cations

T. Li, G. Tan, C. Cheng, Y. Zhao, L. Zhang and X. Wang, Chem. Commun., 2018, 54, 1493 DOI: 10.1039/C7CC09544A

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