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New side-bridged bismacrocycles and cross-bridged macrotricycles. Syntheses and Cu(ii) complexation study

Abstract : Eight new cyclen based constrained macropolycycles (4a–4d, 5a–5d) have been obtained by reductive ring cleavage of polyaminal derivatives of bis-macrocycles or macrotricyclic polyammonium salts by sodium borohydride. The mononuclear and dinuclear Cu(II) complexes of these macropolycyclic ligands were isolated as solids and investigated by UV-Vis and EPR spectroscopies. The possibility to obtain the specific formation of mononuclear complexes constitutes an original feature of these new macropolycycles.
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https://hal.univ-brest.fr/hal-01582163
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Submitted on : Tuesday, September 5, 2017 - 4:25:12 PM
Last modification on : Thursday, November 29, 2018 - 4:09:19 PM

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Nicolas Bernier, Mustapha Allali, Raphaël Tripier, Françoise Conan, Véronique Patinec, et al.. New side-bridged bismacrocycles and cross-bridged macrotricycles. Syntheses and Cu(ii) complexation study. New Journal of Chemistry, Royal Society of Chemistry, 2006, 30 (3), ⟨10.1039/B515150C⟩. ⟨hal-01582163⟩

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