Solvent-Responsive Radical Dimers

Date
2020-07-16
Authors
Peterson, Joshua
Winter, Arthur
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Chemistry
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Abstract

An air- and thermally stable aryl dicyanomethyl radical is reported that switches between two dimeric forms—a σ dimer and a π dimer—by changing the solvent. The two dimer forms exhibit unique optical properties leading to solvatochromic behavior. The solvent-responsive behavior of these radicals can be explained by the higher polarizability of the pimer than the σ dimer that leads to pimer stabilization in polar solvents.

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This document is the unedited Author’s version of a Submitted Work that was subsequently accepted for publication in Organic Letters, copyright © American Chemical Society after peer review. To access the final edited and published work see DOI: 10.1021/acs.orglett.0c02152. Posted with permission.

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