The a-hydroxy acid moiety found in photoactive siderophores can be incorporated into organic compounds that mimic the strong binding affinity and photoactive properties of an iron-siderophore complex.  A library of compounds that contain the a-hydroxy acid (AHA) in the tripodal amine structural motif is being synthesized. Varying the functional groups attached to the non-AHA arms to the tripodal amine allows for studies of metal complex structure, stability and photochemistry. Functional groups employed so far include carboxylate, pyridyl, oximate and hydroxamate. The synthesis and characterization of the chelates and their complexation to Fe(III) will be presented. The synthesis, photochemistry and electrochemistry and binding studies of Fe(III) complexes of some of these chelates will also be presented.

Novel a-hydroxy acid-containing tripodal amine chelates and their iron complexes

246th National Meeting (2013)

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