Solvent-Responsive Radical Dimers. | LitMetric

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Solvent-Responsive Radical Dimers. | LitMetric

Solvent-Responsive Radical Dimers.

Joshua P Peterson Arthur H Winter

Org Lett

Department of Chemistry, Iowa State University, 1605 Gilman Hall, Ames, Iowa 50010, United States.

Published: August 2020

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.

Download full-text PDF	Source
http://dx.doi.org/10.1021/acs.orglett.0c02152	DOI Listing

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