Argentivorous Molecules: Structural Evidence for Ag+–π Interactions in Solution
- 28 August 2012
- journal article
- letter
- Published by American Chemical Society (ACS) in Organic Letters
- Vol. 14 (17), 4576-4579
- https://doi.org/10.1021/ol3019538
Abstract
Tetra-armed cyclens bearing aromatic side arms were prepared by the reductive amination of cyclen with substituted benzaldehydes. When equimolar amounts of Ag(+) ions were added to the ligands, the aromatic rings covered the Ag(+) ions incorporated in the ligand cavities, as if the aromatic ring "petals" caught the Ag(+) ions in the way an insectivorous plant (Venus flytrap) catches insects. The ligands are called "argentivorous molecules". Evidence of intramolecular Ag(+)-π interactions in solution and in the solid state is reported.Keywords
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