Issue 45, 2005
From the journal:

Chemical Communications

Playing with podands based on cone-shaped cavities. How can a cavity influence the properties of an appended metal centre?

Catherine Jeunesse,a   Dominique Armspacha  and  Dominique Matt*a  

* Corresponding authors

a Laboratoire de Chimie Inorganique Moléculaire, Université Louis Pasteur, UMR 7513 CNRS, 1 rue Blaise Pascal, Strasbourg cedex
E-mail: dmatt@chimie.u-strasbg.fr

Abstract

The potential of molecules that combine the properties of a conical cavity with those of a covalently-linked transition-metal centre is highlighted through the assessment of cyclodextrin- and calixarene-derived podands (“cavitand” ligands) in coordination chemistry and catalysis. Metallocavitands with coordination sites directed towards the interior of the generic cavity provide interesting systems for studying host–guest complexation processes, their enhanced strength of metal-ion binding allowing for regioselective catalysis in a confined environment, and stabilisation of coordination complexes of unusual forms. Where cavitands have exo-oriented podand arms, the intrinsic dynamics of the cavity can dramatically modify metal chelation behaviour and the catalytic properties of the complexes. Such functionalised cavities are also useful as metal-ion transporters.

Graphical abstract: Playing with podands based on cone-shaped cavities. How can a cavity influence the properties of an appended metal centre?

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Article information

DOI
https://doi.org/10.1039/B509825B
Article type
Feature Article
Submitted
11 Jul 2005
Accepted
09 Sep 2005
First published
12 Oct 2005

Chem. Commun., 2005, 5603-5614

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Playing with podands based on cone-shaped cavities. How can a cavity influence the properties of an appended metal centre?

C. Jeunesse, D. Armspach and D. Matt, Chem. Commun., 2005, 5603 DOI: 10.1039/B509825B

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