Issue 61, 2022

Unveiling two antiaromatic s-indacenodicarbazole isomers with tunable paratropicity

Abstract

Linear and curved antiaromatic s-indacenodicarbazole isomers were synthesized and characterized to show the tunable paratropicity of s-indacene, as analyzed by NICS(1)zz and ACID (ring-current) calculations. The curved isomer showed a greater degree of antiaromaticity than the linear isomer, as predicted by the Glidewell–Lloyd rule. This degree of antiaromaticity was further validated by the red-shifted UV-vis absorption and smaller HOMO–LUMO energy gap.

Graphical abstract: Unveiling two antiaromatic s-indacenodicarbazole isomers with tunable paratropicity

Supplementary files

Article information

Article type
Communication
Submitted
24 Apr 2022
Accepted
27 Jun 2022
First published
28 Jun 2022

Chem. Commun., 2022,58, 8492-8495

Unveiling two antiaromatic s-indacenodicarbazole isomers with tunable paratropicity

H. K. Saha, D. Mallick and S. Das, Chem. Commun., 2022, 58, 8492 DOI: 10.1039/D2CC02318K

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