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Sodium cation-templated synthesis of an ion-pair binding heteroditopic [2]catenane

Sodium cation-templated synthesis of an ion-pair binding heteroditopic [2]catenane
Sodium cation-templated synthesis of an ion-pair binding heteroditopic [2]catenane
A novel method utilising sodium cation templation between a pyridinium bridged calix[4]diquinone macrocycle and a pyridine-N-oxide functionalised macrocycle precursor motif is used for the construction of a mechanically interlocked ion-pair binding [2]catenane. The heteroditopic [2]catenane binding mode is elucidated by single-crystal X-ray crystallography with the alkali-metal sodium cation-chloride halide-anion bound in an unprecedented 'macrocycle separated' ion-pair configuration.
2052-4129
2468-2472
Knighton, Richard C.
5a63128e-0ebd-466a-b327-3aee6e85a76d
Beer, Paul D.
6af15407-244d-4e11-8147-a62a04672f4e
Knighton, Richard C.
5a63128e-0ebd-466a-b327-3aee6e85a76d
Beer, Paul D.
6af15407-244d-4e11-8147-a62a04672f4e

Knighton, Richard C. and Beer, Paul D. (2021) Sodium cation-templated synthesis of an ion-pair binding heteroditopic [2]catenane. Organic Chemistry Frontiers, 8 (11), 2468-2472. (doi:10.1039/d1qo00247c).

Record type: Article

Abstract

A novel method utilising sodium cation templation between a pyridinium bridged calix[4]diquinone macrocycle and a pyridine-N-oxide functionalised macrocycle precursor motif is used for the construction of a mechanically interlocked ion-pair binding [2]catenane. The heteroditopic [2]catenane binding mode is elucidated by single-crystal X-ray crystallography with the alkali-metal sodium cation-chloride halide-anion bound in an unprecedented 'macrocycle separated' ion-pair configuration.

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More information

Accepted/In Press date: 12 March 2021
e-pub ahead of print date: 16 March 2021
Published date: 7 June 2021

Identifiers

Local EPrints ID: 482072
URI: http://eprints.soton.ac.uk/id/eprint/482072
DOI: doi:10.1039/d1qo00247c
ISSN: 2052-4129
PURE UUID: d1bb7564-9b9e-45f4-b85a-8a6b1e423f07
ORCID for Richard C. Knighton: ORCID iD orcid.org/0000-0002-0336-3718

Catalogue record

Date deposited: 18 Sep 2023 16:54
Last modified: 18 Mar 2024 04:15

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Contributors

Author: Richard C. Knighton ORCID iD
Author: Paul D. Beer

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