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A convenient synthetic route to polyether-tagged cyclam ligands and their nickel derivatives

Abstract : A specific strategy is described for the synthesis of stable polyethylene oxide tagged tetraazamacrocycles (PEO-cyclam) in five steps (overall yields for 12 and 13 48% and 22%, respectively). Various attempts via classical pathways demonstrated: (i) the low reactivity of PEG derivatives, and (ii) the necessity of a stabiliser arm between the cyclam and the PEO chain. Nickel complexes have been prepared and characterised by electrochemistry.
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https://hal.univ-brest.fr/hal-01771407
Contributor : Nicolas Renard <>
Submitted on : Thursday, April 19, 2018 - 2:49:56 PM
Last modification on : Friday, February 22, 2019 - 4:56:08 PM

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  • HAL Id : hal-01771407, version 1

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F. Bellouard, F. Chuburu, J.-J. Yaouanc, H. Handel, Y. Le Mest. A convenient synthetic route to polyether-tagged cyclam ligands and their nickel derivatives. European Journal of Organic Chemistry, Wiley-VCH Verlag, 1999, pp.3257--3261. ⟨hal-01771407⟩

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