Issue 18, 2021
From the journal:

Chemical Society Reviews

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

Kei Ota ORCID logo a  and  Rei Kinjo ORCID logo *a  

* Corresponding authors

a Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Nanyang Link 21, Singapore 637371, Singapore

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

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Article information

DOI
https://doi.org/10.1039/D0CS01354D
Article type
Review Article
Submitted
30 Mar 2021
First published
09 Aug 2021

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

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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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