Issue 18, 2021

Heavier element-containing aromatics of [4n+2]-electron systems

Abstract

While the implication of the aromaticity concept has been dramatically expanded to date since its emergence in 1865, the classical [4n+2]/4n-electron counting protocol still plays an essential role in evaluating the aromatic nature of compounds. Over the last few decades, a variety of heavier heterocycles featuring the formal [4n+2] π-electron arrangements have been developed, which allows for assessing their aromatic nature. In this review, we present recent developments of the [4n+2]-electron systems of heavier heterocycles involving group 13–15 elements. The synthesis, spectroscopic data, structural parameters, computational data, and reactivity are introduced.

Graphical abstract: Heavier element-containing aromatics of [4n+2]-electron systems

Article information

Article type
Review Article
Submitted
30 Mar 2021
First published
09 Aug 2021

Chem. Soc. Rev., 2021,50, 10594-10673

Heavier element-containing aromatics of [4n+2]-electron systems

K. Ota and R. Kinjo, Chem. Soc. Rev., 2021, 50, 10594 DOI: 10.1039/D0CS01354D

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