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Amide and urea ferrocene-containing macrocycles capable of the electrochemical sensing of anions

Research output: Contribution to journalJournal article

Published

Journal publication date02/2012
JournalEuropean Journal of Inorganic Chemistry
Journal number6
Volume2012
Number of pages6
Pages939-944
Original languageEnglish

Abstract

Two novel macrocycles that incorporate the redox-active ferrocene motif have been synthesized. The amide-containing macrocycle is capable of sensing basic oxoanions such as dihydrogen phosphate and benzoate despite only exhibiting weak binding of these anions. The second macrocycle, which incorporates urea functionality, is capable of binding and sensing a greater range of anions with a maximum shift of the ferrocene/ferrocenium redox couple of -170 mV observed upon addition of an excess amount of dihydrogen phosphate.