New Multi(tetrathiafulvalene) Dendrimers

Christian A. Christensen; Martin R. Bryce; Jan Becher

doi:10.1055/s-2000-8203

Synthesis 2000; 2000(12): 1695-1704
DOI: 10.1055/s-2000-8203

paper

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New Multi(tetrathiafulvalene) Dendrimers

Christian A. Christensen^* , Martin R. Bryce, Jan Becher

^*Department of Chemistry, University of Durham, Durham, DH1 3LE, UK; Fax +44 (1 91) 3 84 47 37; E-mail: m.r.bryce@Durham.ac.uk

Abstract

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The convergent synthesis of multi(TTF) dendrimers with glycol chains as the branches is reported. Key methodology in the iterative steps involves nucleophilic displacement of reactive halides by transient TTF-thiolate anions. Core units in the dendrimers are 1,3,5-trisubstituted benzene, TTF and hexa-substituted benzene, providing three-, four- and six-directional cores, respectively. Cyclic voltammetry (CV) and thin layer CV studies establish that the TTF redox chemistry is retained in the dendrimer structures, with clean sequential formation of multi(cation radical) and multi(dication) species upon electrochemical oxidation.

dendrimer - tetrathiafulvalene - cesium hydroxide - nucleophilic displacements - coupling - cyclic voltammetry

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