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Issue 8, 2016
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Novel iminopyridine derivatives: ligands for preparation of Fe(ii) and Cu(ii) dinuclear complexes

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Abstract

A series of imino- and amino-pyridine ligands based on dihydrobenzofurobenzofuran (BFBF) and methanodibenzodioxocine (DBDOC) backbones have been synthesized. These ligands form exclusively dinuclear complexes with metals such as iron(II) and copper(II). The structures for complexes 15, 16, 18, 19, 20, 21, 23, and 24 were determined by X-ray crystallography. The complexes show large distances for the metal nuclei and different geometries depending on the nature of the metal. An octahedral geometry was observed for the iron(II) complexes, while copper(II) complex 24 showed a distorted trigonal bipyramidal geometry. The iron(II) complexes showed activity as catalysts in the cycloaddition of CO2 to epoxides, obtaining moderate yields of cyclic carbonates.

Graphical abstract: Novel iminopyridine derivatives: ligands for preparation of Fe(ii) and Cu(ii) dinuclear complexes

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Supplementary files

Article information


Submitted
04 Nov 2015
Accepted
05 Jan 2016
First published
15 Jan 2016

Dalton Trans., 2016,45, 3564-3576
Article type
Paper
Author version available

Novel iminopyridine derivatives: ligands for preparation of Fe(II) and Cu(II) dinuclear complexes

O. Martínez-Ferraté, J. M. López-Valbuena, M. M. Belmonte, A. J. P. White, J. Benet-Buchholz, G. J. P. Britovsek, C. Claver and P. W. N. M. van Leeuwen, Dalton Trans., 2016, 45, 3564
DOI: 10.1039/C5DT04358A

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