A Redox Tale of Two Phosphine Oxides (and a Terthiophene)

Daniel Käch; Máté J. Bezdek

doi:10.1055/s-0042-1751551

Synlett, Table of Contents

Synlett 2024; 35(16): 1833-1838
DOI: 10.1055/s-0042-1751551

synpacts

A Redox Tale of Two Phosphine Oxides (and a Terthiophene)

Daniel Käch

,

Máté J. Bezdek ∗

Abstract

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Abstract

Despite the appeal of organic redox systems as next-generation energy-storage media, achieving high cell voltages with electrolytes based on main-group elements typically comes at the cost of reduced long-term stabilities. In this Synpacts article, we summarize our recent finding that the introduction of phosphine oxide functionalities can unlock the ability of terthiophenes to serve as robust two-electron acceptors at extreme potentials. These investigations uncovered a fundamentally new class of multielectron redox systems, capable of expanding the cell potential range achievable with organic electrolytes without compromising stability.

Key words

redox chemistry - main-group radicals - energy storage - electrochemistry - terthiophenes - phosphine oxides

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References

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