Issue 54, 2022

Cycloparaphenylenes via [2+2+2] cycloaddition

Abstract

The [2+2+2] cycloaddition (CA) offers great potential as an atom economic method for the formation of substituted aromatic rings. In this article, we highlight the application of this versatile method in synthetic approaches towards substituted cycloparaphenylenes (CPPs). The [2+2+2] CA can take over different tasks within the synthesis depending on the targeted CPP. These approaches were divided into three key steps: aromatization (which finalises the CPP), macrocyclization (the formation of a strain-reduced macrocycle) and the [2+2+2] CA. Based on this analysis the strategies were categorised into four classes based on which task the [2+2+2] CA fulfills. We point out the benefits and drawbacks of each synthesic strategy and summarize our findings to provide the reader with an easy insight into this research field.

Graphical abstract: Cycloparaphenylenes via [2+2+2] cycloaddition

Article information

Article type
Feature Article
Submitted
22 abr. 2022
Accepted
31 may. 2022
First published
31 may. 2022

Chem. Commun., 2022,58, 7483-7494

Cycloparaphenylenes via [2+2+2] cycloaddition

D. Kohrs, J. Volkmann and H. A. Wegner, Chem. Commun., 2022, 58, 7483 DOI: 10.1039/D2CC02289C

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