Issue 11, 2021

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

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.

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

Supplementary files

Article information

Article type
Research Article
Submitted
10 Feb 2021
Accepted
12 Mac 2021
First published
16 Mac 2021

Org. Chem. Front., 2021,8, 2468-2472

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

R. C. Knighton and P. D. Beer, Org. Chem. Front., 2021, 8, 2468 DOI: 10.1039/D1QO00247C

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