Dendrimers with a 4,4′-bipyridinium core and electron-donor branches. Electrochemical and spectroscopic properties

Paola Ceroni; Veronica Vicinelli; Mauro Maestri; Vincenzo Balzani; Walter M. Müller; Ute Müller; Uwe Hahn; Friederike Osswald; Fritz Vögtle

doi:10.1039/B104131M

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Dendrimers with a 4,4′-bipyridinium core and electron-donor branches. Electrochemical and spectroscopic properties

Paola Ceroni,^a Veronica Vicinelli,^a Mauro Maestri,^a Vincenzo Balzani,*^a Walter M. Müller,^b Ute Müller,^b Uwe Hahn,^b Friederike Osswald^b and Fritz Vögtle*^b

Author affiliations

* Corresponding authors

^a Dipartimento di Chimica “G. Ciamician”, Uniersità di Bologna, ia Selmi 2, Bologna, Italy
E-mail: vbalzani@ciam.unibo.it
Fax: Fax: +39 051 2099456
Tel: Tel: +39 051 2099560

^b Kekulé-Institut für Organische Chemie und Biochemie der Uniersität Bonn, Gerhard-Domagk Strasse 1, Bonn, Germany
E-mail: voegtle@uni-bonn.de
Fax: Fax: +49 228 735662
Tel: Tel: +49 228 733495

Abstract

The synthesis, characterization, and electrochemical and spectroscopic properties of a new family of dendrimers comprising a 4,4′-bipyridinium core and 1,3-dimethyleneoxybenzene-type dendrons are described. The electrochemical results show that there is no significant inhibition of electron transfer involving the dendrimer core by the dendrons. The strong fluorescence of the 1,3-dimethyleneoxybenzene units of the branches is completely quenched as a result of charge-transfer interactions with the core.

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Article information

DOI: https://doi.org/10.1039/B104131M
Article type: Letter
Submitted: 02 May 2001
Accepted: 23 May 2001
First published: 27 Jun 2001

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New J. Chem., 2001,25, 989-993

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Dendrimers with a 4,4′-bipyridinium core and electron-donor branches. Electrochemical and spectroscopic properties

P. Ceroni, V. Vicinelli, M. Maestri, V. Balzani, W. M. Müller, U. Müller, U. Hahn, F. Osswald and F. Vögtle, New J. Chem., 2001, 25, 989 DOI: 10.1039/B104131M

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New Journal of Chemistry

Dendrimers with a 4,4′-bipyridinium core and electron-donor branches. Electrochemical and spectroscopic properties

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Dendrimers with a 4,4′-bipyridinium core and electron-donor branches. Electrochemical and spectroscopic properties

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