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Amide and Urea Ferrocene‐Containing Macrocycles Capable of the Electrochemical Sensing of Anions
Author(s) -
Evans Nicholas H.,
Serpell Christopher J.,
Christensen Kirsten E.,
Beer Paul D.
Publication year - 2012
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.201101257
Subject(s) - chemistry , ferrocene , amide , redox , electrochemistry , urea , inorganic chemistry , phosphate , combinatorial chemistry , polymer chemistry , organic chemistry , electrode
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.