Issue 11, 2022

The cis/trans conformation approach for tuning the magnetic coupling in a diradical: isolation of pure pyridine-based diradical dianions

Abstract

Two-electron reductions of 3,3′-bis(2,6-dimesitylpyridin-4-yl)-1,1′-biphenyl 1 with elemental potassium in the absence and presence of 18-c-6 afforded the diradical dianion salts [K+]2˙[trans-1]˙˙2− and [K(18-c-6)]+2˙[cis-1]˙˙2−, which exhibit trans and cis configurations, respectively. The transoid conformer could be converted to the cisoid one through reacting with 18-c-6.

Graphical abstract: The cis/trans conformation approach for tuning the magnetic coupling in a diradical: isolation of pure pyridine-based diradical dianions

Supplementary files

Article information

Article type
Communication
Submitted
07 Oct 2021
Accepted
28 Dec 2021
First published
30 Dec 2021

Chem. Commun., 2022,58, 1708-1711

The cis/trans conformation approach for tuning the magnetic coupling in a diradical: isolation of pure pyridine-based diradical dianions

Q. Sun, M. Liu, H. Ruan, C. Chen, Y. Zhao, G. Tan and X. Wang, Chem. Commun., 2022, 58, 1708 DOI: 10.1039/D1CC05661A

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