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Selection rules for helicate ligand-component self-assembly: steric, pH, charge, and solvent effects

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Published in Journal of the American Chemical Society. 2004, vol. 126, no. 50, p. 16538-16543
Abstract The reaction between 1,10-phenanthroline-2,9-dicarboxaldehyde, copper(I), and certain primary amines was found to give quantitatively a dicopper double-helicate product (two of which were crystallographically characterized) by imine self-assembly around CuI templates. The parameters of this reaction were investigated, and important roles were found to be played by (i) the steric bulk of the amine, (ii) the charge of the amine, (iii) the solvent used, and (iv) the pH of the solution. Water was found to allow the broadest range of structures to form, and ligand-component exchange reactions (involving the substitution of an aromatic for an aliphatic amine) were demonstrated to proceed readily in this solvent.
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NITSCHKE, Jonathan et al. Selection rules for helicate ligand-component self-assembly: steric, pH, charge, and solvent effects. In: Journal of the American Chemical Society, 2004, vol. 126, n° 50, p. 16538-16543. https://archive-ouverte.unige.ch/unige:6992

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Deposited on : 2010-06-18

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