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Title: | Redox Assisted Reversible Aromaticity Transition Between 30π Hückel and 28π Möbius Dication of a Core-Modified Isophlorinoid |
Authors: | SHUKLA, PRAGATI AMBHORE, MADAN D. ANAND, V. G. Dept. of Chemistry |
Keywords: | Annulenes Aromaticity Heterocycles Porphyrinoids Spectroelectrochemistry 2023 |
Issue Date: | May-2023 |
Publisher: | Wiley |
Citation: | Chemistry – A European Journal, 29(25). |
Abstract: | The electronic properties of a hexaphyrin was fine-tuned via core-modification leading to the formation of a Hückel aromatic 30π hexaphyrin which incorporates two pyrrole and four furan rings in the π-conjugated pathway. This Hückel aromatic hexaphyrin modified its conformation upon two-electron ring oxidation either with triflic acid or Meerwein salt [Et3O]+[SbCl6]− to yield 28π Möbius aromatic dication species. Reversible aromatic transition was established by spectroscopic techniques and further supported by quantum chemical calculations. |
URI: | https://doi.org/10.1002/chem.202203327 http://dr.iiserpune.ac.in:8080/xmlui/handle/123456789/8458 |
ISSN: | 0947-6539 1521-3765 |
Appears in Collections: | JOURNAL ARTICLES |
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