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Updated: Jun 23, 2026
06:35
Construction and Systematical Symmetric Studies of a Series of Supramolecular Clusters with Binary or Ternary Ammonium Triphenylacetates
Published on: February 15, 2016
Anion-templated formation of supramolecular multinuclear assemblies
Sander J Wezenberg1, Eduardo C Escudero-Adán, Jordi Benet-Buchholz
1Institute of Chemical Research of Catalonia (ICIQ), Av. Països Catalans 16, 43007 Tarragona, Spain.
Chemistry (Weinheim an Der Bergstrasse, Germany)
|April 24, 2009
Summary
Anions, like acetate, can act as building blocks to create complex structures with zinc-salphen molecules. This supramolecular assembly offers potential for developing new biosensing materials.
Area of Science:
- Supramolecular Chemistry
- Coordination Chemistry
- Materials Science
Background:
- Anions are increasingly recognized as versatile building motifs in supramolecular chemistry.
- Zinc complexes with N,N'-phenylenebis(salicylideneimine) (salphen) ligands offer tunable coordination environments.
- Understanding anion-metal interactions is crucial for designing self-assembled materials.
Purpose of the Study:
- To investigate the role of anions, particularly acetate, in the supramolecular assembly of [Zn(salphen)] complexes.
- To quantify the binding interactions between acetate anions and the [Zn(salphen)] core.
- To explore the potential of anion-templated synthesis for creating novel multinuclear zinc assemblies.
Main Methods:
- UV/Vis titration studies to quantify anion binding.
- Nuclear Magnetic Resonance (NMR) spectroscopy for structural characterization.
- X-ray diffraction analysis to determine solid-state structures.
Main Results:
- Acetate anions strongly associate with the zinc metal center in [Zn(salphen)] complexes.
- Acetate anions act as bridging ligands, connecting two [Zn(salphen)] units.
- The substitution pattern on the salphen ligand influences the binding strength of additional complexes to acetate.
- A trinuclear Zn(3) assembly was successfully synthesized via anion-templated assembly.
Conclusions:
- Anions can effectively template the formation of ordered supramolecular assemblies with [Zn(salphen)] complexes.
- This approach allows for the directed synthesis of multinuclear metal complexes.
- The findings suggest potential applications in creating functional materials, including biosensors for biologically relevant carboxylates like amino acids.
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