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Journal articles
Electrochemically-driven conformational shift in mono- and di-copper constrained macrotricyclic cyclen receptors
Abstract : An electrochemical study of mono- and di-copper constrained cyclen macrotricycles is presented. Electrochemical data in DMF solution indicate that the reduction of dinuclear complexes occurs in two steps in the -0.4 to -0.8 V vs.AgCl/Ag potential range yielding CuII CuI and CuI CuI species further reduced to Cu metal at highly negative potentials. Mononuclear complexes are reduced in two steps to CuI and Cu metal. Electrochemical data suggest that reduction of both mononuclear and dinuclear complexes approach a square scheme involving electrochemically-driven conformational shifts for metal ions. The presence of endo- and exo-forms of the complexes are revealed by changes in the electrochemical response of the complexes in the presence of tetraethylammonium chloride, 1-azabicyclo[2.2.2]octane and diazabicyclo[2.2.2]octane competing ligands.
https://hal.univ-brest.fr/hal-01580422
Contributor : Nicolas Renard Connect in order to contact the contributor
Submitted on : Friday, September 1, 2017 - 3:07:16 PM
Last modification on : Monday, October 11, 2021 - 2:22:08 PM
Contributor : Nicolas Renard Connect in order to contact the contributor
Submitted on : Friday, September 1, 2017 - 3:07:16 PM
Last modification on : Monday, October 11, 2021 - 2:22:08 PM
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