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Organic Chemistry, Inorganic and nuclear chemistry
The coordination of pyridyl-tetrazole derivatives containing ester substituents, at either the N-1 or N-2 position of the tetrazole ring, with copper(II) chloride results in the formation of either 1:1 or 1:2 copper to ligand complexes, depending on the ligand. However, when the ester functionality is changed to a carboxylate group, the resulting complexation reactions yield metal-organic frameworks. The resulting structures vary dramatically in pore size, depending on both reaction solvents and position of carboxylate group on the tetrazole ring. Despite the presence of sodium cations in the reaction mixtures, no sodium incorporation was ever observed in any of the complexes. This report represents the first attempts at producing copper(II) complexes of the N-1 and N-2 carboxylate derivative of this ligand.
Sheridan, U., Gallagher, J.F., Bjerrum, M.J.,Fleming, A., Kelleher, F., McGinley, J. : Metal-organic frameworks based on pyridyl-tetrazole ligands containing ester or carboxylate pendant arms, Inorganica Chimica Acta (2014), doi: http://dx.doi.org/10.1016/j.ica.2014.05.028