Rice, Craig R., Guerrero, Ana, Bell, Zoe R., Paul, Rowena L., Motson, Graham R., Jeffery, John C. and Ward, Michael D. (2001) New hybrid ditopic ligands containing fused phenanthroline and crown ether units. New Journal of Chemistry, 25 (2). pp. 185-187. ISSN 11440546

Reaction of 5,6-dihydroxy-1,10-phenanthroline with various poly(ethylene)glycol-ditosylates affords, in good yield, a series of ligands in which a phenanthroline binding site is attached to an adjacent crown ether unit; the NN chelating site may be coordinated to {Ru(bipy)2}2+ units to afford [Ru(bipy)3]2+ derivatives with pendant crown ether units, which can bind alkali metal ions.

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