Issue 36, 2009
From the journal:

Dalton Transactions

Ternary complexes composed of naphthalene diimides and binucleating metallocavitands: preparation, characterisation and structure of [(Ni2L)2(NDI)][BPh4]2†

Katrina A. Lee,a   Vasile Lozan,b   Steven J. Langford*a  and  Berthold Kersting*b  

* Corresponding authors

a School of Chemistry, Monash University, Clayton, Australia
E-mail: steven.langford@sci.monash.edu.au
Fax: +61 3 9905 4597
Tel: +61 3 9905 4569

b Institut für Anorganische Chemie, Universität Leipzig, Johannisallee 29, Leipzig, Germany
E-mail: b.kersting@uni-leipzig.de
Fax: + 0341 973 6143
Tel: + 0341 973 6199

Abstract

The synthesis and physical properties of the ternary complex 32+, prepared by reaction of a naphthalene diimide dicarboxylate 2 with the binucleating dinickel(II) cavitand 1, are discussed. The complex 32+ is characterised by cyclic voltammetry which shows a wealth of metal-centred and diimide-based processes at −1.62, −1.04 and 0.15 V vs Fc/Fc+. Absorption and fluorescence spectroscopy of 32+ in CH2Cl2 compared to the components 4+ and 5, respectively, are used to characterise the complex further. In particular there is a substantial quenching (∼95%) of the diimide fluorescence upon complexation. X-Ray crystallography has been used to characterise complex 32+ in the solid state. Of particular interest is the supramolecular structure in which the naphthalene diimide is included between the two metallocavitand hemispheres.

Graphical abstract: Ternary complexes composed of naphthalene diimides and binucleating metallocavitands: preparation, characterisation and structure of [(Ni2L)2(NDI)][BPh4]2

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Article information

DOI
https://doi.org/10.1039/B907785E
Article type
Paper
Submitted
17 Apr 2009
Accepted
15 Jun 2009
First published
24 Jul 2009

Dalton Trans., 2009, 7481-7485

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Ternary complexes composed of naphthalene diimides and binucleating metallocavitands: preparation, characterisation and structure of [(Ni2L)2(NDI)][BPh4]2

K. A. Lee, V. Lozan, S. J. Langford and B. Kersting, Dalton Trans., 2009, 7481 DOI: 10.1039/B907785E

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