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Related Experiment Video

Updated: Jun 1, 2026

Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers
07:14

Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers

Published on: May 12, 2023

Diphosphine capsules for transition-metal encapsulation.

Tehila S Koblenz1, Henk L Dekker, Chris G de Koster

  • 1Homogeneous and Supramolecular Catalysis, Van't Hoff Institute for Molecular Sciences, University of Amsterdam, Postbox 94720, 1090 GS Amsterdam, The Netherlands.

Chemistry, an Asian Journal
|June 11, 2011
PubMed
Summary

Novel heterodimeric diphosphine capsules were created using ionic interactions between tetracationic ligands and tetraanionic calix[4]arenes. These capsules successfully encapsulate palladium atoms, offering a new method for metal encapsulation.

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Area of Science:

  • Supramolecular Chemistry
  • Materials Science
  • Coordination Chemistry

Background:

  • Diphosphine ligands and calix[4]arenes are key components in supramolecular chemistry.
  • Ionic interactions are crucial for self-assembly processes.
  • Metal encapsulation within supramolecular structures is an active area of research.

Purpose of the Study:

  • To describe the self-assembly and characterization of novel heterodimeric diphosphine capsules.
  • To achieve palladium atom encapsulation within these diphosphine capsules.
  • To explore different synthetic approaches and ligand variations for capsule assembly.

Main Methods:

  • Self-assembly of tetracationic diphosphine ligands and tetraanionic calix[4]arenes.
  • Templated encapsulation of palladium using a metal complex of the diphosphine ligand.

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Preparation and Reactivity of a Triphosphenium Bromide Salt: A Convenient and Stable Source of Phosphorus(I)
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Preparation and Reactivity of a Triphosphenium Bromide Salt: A Convenient and Stable Source of Phosphorus(I)

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Preparation of Highly Porous Coordination Polymer Coatings on Macroporous Polymer Monoliths for Enhanced Enrichment of Phosphopeptides
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Preparation of Highly Porous Coordination Polymer Coatings on Macroporous Polymer Monoliths for Enhanced Enrichment of Phosphopeptides

Published on: July 14, 2015

Related Experiment Videos

Last Updated: Jun 1, 2026

Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers
07:14

Experimental Approaches for the Synthesis of Low-Valent Metal-Organic Frameworks from Multitopic Phosphine Linkers

Published on: May 12, 2023

Preparation and Reactivity of a Triphosphenium Bromide Salt: A Convenient and Stable Source of Phosphorus(I)
08:46

Preparation and Reactivity of a Triphosphenium Bromide Salt: A Convenient and Stable Source of Phosphorus(I)

Published on: November 22, 2016

Preparation of Highly Porous Coordination Polymer Coatings on Macroporous Polymer Monoliths for Enhanced Enrichment of Phosphopeptides
10:27

Preparation of Highly Porous Coordination Polymer Coatings on Macroporous Polymer Monoliths for Enhanced Enrichment of Phosphopeptides

Published on: July 14, 2015

  • Two assembly approaches: mixing pre-charged or neutral building blocks in methanol.
  • Characterization using 1H NMR spectroscopy, 1D NOESY, ESI-MS, and modeling studies.

    • Main Results:

    • Successful formation of heterodimeric diphosphine capsules via ionic interactions.
    • Efficient encapsulation of a palladium atom within the diphosphine capsule.
    • Demonstration of modularity by varying diphosphine ligand backbones and cationic binding motifs.
    • Confirmation of capsule structure and formation through spectroscopic and modeling techniques.

    Conclusions:

    • Novel heterodimeric diphosphine capsules can be assembled through multiple ionic interactions.
    • A templated approach allows for the successful encapsulation of palladium atoms within these capsules.
    • The modular nature of the building blocks allows for facile extension of the diphosphine capsule scope.