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Issue 21, 2015

Methylresorcinarene: a reaction vessel to control the coordination geometry of copper(ii) in pyridine N-oxide copper(ii) complexes

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Abstract

Pyridine and 2-picolinic acid N-oxides form 2 : 2 and 2 : 1 ligand : metal (L : M) discrete L2M2 and polymeric complexes with CuCl2 and Cu(NO3)2, respectively, with copper(II) salts. The N-oxides also form 1 : 1 host–guest complexes with methylresorcinarene. In combination, the three components form a unique 2 : 2 : 1 host–ligand–metal complex. The methylresorcinarene acts as a reaction vessel/protecting group to control the coordination of copper(II) from cis-see-saw to trans-square planar, and from octahedral to square planar coordination geometry. These processes were studied in solution and in the solid state via1H NMR spectroscopy and single crystal X-ray diffraction.

Graphical abstract: Methylresorcinarene: a reaction vessel to control the coordination geometry of copper(ii) in pyridine N-oxide copper(ii) complexes

Supplementary files

Article information


Submitted
23 Mar 2015
Accepted
22 Apr 2015
First published
22 Apr 2015

This article is Open Access

Dalton Trans., 2015,44, 9881-9886
Article type
Paper
Author version available

Methylresorcinarene: a reaction vessel to control the coordination geometry of copper(II) in pyridine N-oxide copper(II) complexes

N. K. Beyeh and R. Puttreddy, Dalton Trans., 2015, 44, 9881 DOI: 10.1039/C5DT01143D

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