Journal
JOURNAL OF MATERIALS CHEMISTRY
Volume 15, Issue 37, Pages 4073-4077Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b503269e
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A series of seven diamine sensors was prepared using dimers of a quinolone aldehyde chromophore. Binding to six different diamine guests was explored by a combination of NMR, absorption and fluorescence spectroscopy. It was shown that the dimeric sensors bound the diamine guests by formation of a bis-iminium ion which produced large changes in the fluorescence of the quinolone core. Issues of selectivity between guests are discussed.
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