Ghosh, Arindam ; Chaudhary, Arvind ; Srinivasan, A. ; Suresh, Cherumuttathu H. ; Chandrashekar, Tavarekere K. (2016) [32]π Fused Core-Modified Heptaphyrin with Möbius Aromaticity Chemistry - A European Journal, 22 (12). pp. 3942-3946. ISSN 0947-6539
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Official URL: http://doi.org/10.1002/chem.201505116
Related URL: http://dx.doi.org/10.1002/chem.201505116
Abstract
A new fused core-modified 32π heptaphyrin with Möbius aromatic character is reported. The 1H NMR data indicated a weak Möbius aromaticity at 298 K; however, at 213–183 K, the molecule predominates [4n]π Möbius conformation with strong diatropic ring current, which was further confirmed by X-ray analysis. The protonation experiment led to preservation of the Möbius aromaticity at 298 K. Nevertheless, the experimental results were further supported by theoretical studies. Overall, this study represents the first example of Möbius aromatic fused core-modified expanded porphyrin.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to John Wiley & Sons, Inc |
| ID Code: | 134865 |
| Deposited On: | 16 Jan 2023 04:10 |
| Last Modified: | 23 Jan 2023 08:36 |
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