Journal
DALTON TRANSACTIONS
Volume -, Issue 15, Pages 3098-3102Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b304115h
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A number of ether- and thioether-substituted ferrocenes (1,1'-bis(1,3-dioxane-2-yl)ferrocene 1, 1,1'-bis(5-methyl-1,3-dioxane-2-yl) ferrocene 2, 1,1'-bis(4-methyl-1,3-dioxane-2-yl)ferrocene 3, 1,1'-bis[(R)-(-)-4-methyl-1,3-dioxane-2-yl]ferrocene 4, 1,1'-bis(4,6-dimethyl-1,3-dioxane-2-yl)ferrocene 5, and 1,1'-bis(1,3-dithiane-2-yl)ferrocene 6) were synthesised by direct condensation of 1,1'-diformylferrocene with the corresponding diols or dithiols. The crystal structures of 1, 5a, 5b, and 6 were determined by X-ray diffraction studies. Electrospray ionisation mass spectrometry was used to investigate the binding behaviour of 1 and 6 toward alkali as well as transition metal cations. The dioxane-containing species 1 showed high affinity toward Li+ and Na+, whereas the dithiane derivative 6 bound, as expected, preferentially to Hg2+.
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