Issue 30, 2021

Comparison of [Pd2L4][BF4]4 cages for binding of n-octyl glycosides and nitrate (L = isophthalamide or dipicolinamide linked dipyridyl ligand)

Abstract

Two dipyridyl ligands were synthesized, where the pyridyl donor fragments were separated by an isophthalamide (1) or a dipicolinamide moiety (2). Both ligands formed [Pd2(Ligand)4][BF4]4 complexes in CD2Cl2 containing 5% dmso-d6. It was found that while [Pd2(1)4][BF4]4 readily binds to n-octyl glycosides and to nitrate anions, [Pd2(2)4][BF4]4 did not. The difference in binding properties could be rationalized based on the reduced flexibility and size of the [Pd2(2)4]2+ cage and/or stronger interior binding of a BF4 counter anion.

Graphical abstract: Comparison of [Pd2L4][BF4]4 cages for binding of n-octyl glycosides and nitrate (L = isophthalamide or dipicolinamide linked dipyridyl ligand)

Supplementary files

Article information

Article type
Communication
Submitted
19 iyn 2021
Accepted
07 iyl 2021
First published
12 iyl 2021
This article is Open Access
Creative Commons BY-NC license

Org. Biomol. Chem., 2021,19, 6633-6637

Comparison of [Pd2L4][BF4]4 cages for binding of n-octyl glycosides and nitrate (L = isophthalamide or dipicolinamide linked dipyridyl ligand)

B. J. J. Timmer, E. O. Bobylev and T. J. Mooibroek, Org. Biomol. Chem., 2021, 19, 6633 DOI: 10.1039/D1OB01185E

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