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Issue 9, 2019
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Isolation of a stable pyridine radical anion

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Reduction of 2,6-bis(diazaboryl)pyridine with KC8 gives a room-temperature-stable yellow colored solution containing the corresponding radical anion. The radical was characterized by single crystal XRD, EPR spectroscopy, UV-vis absorption spectroscopy and electrochemically, supported by theoretical calculations. The negative charge and spin density are mainly distributed over the atoms of the pyridine ring, making this the first isolated pyridine radical anion as its potassium salt.

Graphical abstract: Isolation of a stable pyridine radical anion

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07 Dec 2018
07 Jan 2019
First published
08 Jan 2019

Chem. Commun., 2019,55, 1322-1325
Article type

Isolation of a stable pyridine radical anion

J. Schröder, D. Himmel, D. Kratzert, V. Radtke, S. Richert, S. Weber and T. Böttcher, Chem. Commun., 2019, 55, 1322
DOI: 10.1039/C8CC09700C

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