Issue 17, 2009
From the journal:

Organic & Biomolecular Chemistry

Acetylenic tetrathiafulvalene-dicyanovinyl donor-acceptor chromophores†

Asbjørn Sune Andersson,a   François Diederichb  and  Mogens Brøndsted Nielsen*a  

* Corresponding authors

a Department of Chemistry, University of Copenhagen, Universitetsparken 5, Copenhagen Ø
E-mail: mbn@kiku.dk

b Laboratorium für Organische Chemie, ETH Zürich, Hönggerberg, HCI, Zürich, Switzerland

Abstract

Compounds incorporating the tetrathiafulvalene (TTF) donor unit and one or two cyanoethynylethene (CEE) acceptor units were prepared by Knoevenagel condensations of highly unstable, TTF-linked propargylic aldehyde or ketone derivatives. The resulting TTF-CEEs are very strong chromophores with low-energy end-absorptions beyond 900 nm. The molecules experience reversible oxidations of the TTF unit, and the optical properties of the oxidised species were elucidated by spectroelectrochemistry.

Graphical abstract: Acetylenic tetrathiafulvalene-dicyanovinyl donor-acceptor chromophores

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Article information

DOI
https://doi.org/10.1039/B909886K
Article type
Paper
Submitted
19 May 2009
Accepted
16 Jun 2009
First published
06 Jul 2009

Org. Biomol. Chem., 2009,7, 3474-3480

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Acetylenic tetrathiafulvalene-dicyanovinyl donor-acceptor chromophores

A. S. Andersson, F. Diederich and M. B. Nielsen, Org. Biomol. Chem., 2009, 7, 3474 DOI: 10.1039/B909886K

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