Issue 46, 2021

Selective construction and stability studies of a molecular trefoil knot and Solomon link

Abstract

Two novel compounds, a molecular trefoil knot and a Solomon link, were constructed successfully through the cooperation of multiple π–π stacking interactions. A reversible transformation between the trefoil knot and the corresponding [2 + 2] macrocycle could be achieved by solvent- and guest-induced effects. However, the Solomon link maintains its stability in different concentrations, solvents and guest molecules. Single-crystal X-ray crystallographic data, NMR spectroscopic experiments and ESI-MS support the synthesis and structural assignments. These synthesis methods open the door to the further development of smart materials, which will push the advancement of rational design of biomaterials.

Graphical abstract: Selective construction and stability studies of a molecular trefoil knot and Solomon link

Supplementary files

Article information

Article type
Paper
Submitted
18 Aug. 2021
Accepted
14 Sept. 2021
First published
15 Sept. 2021

Dalton Trans., 2021,50, 16984-16989

Selective construction and stability studies of a molecular trefoil knot and Solomon link

L. Dang, T. Li, Z. Cui, D. Sui, L. Ma and G. Jin, Dalton Trans., 2021, 50, 16984 DOI: 10.1039/D1DT02755G

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