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Selective EPR Detection of Primary Amines in Water with a Calix[6]azacryptand-Based Copper(II) Funnel Complex

Abstract : A water-soluble calix[6]arene-based azacryptand was synthesized. The corresponding tren [tris(2-aminoethyl)-amine] cap grafted at the small rim coordinates strongly a copper(II) ion over a wide range of pH. The host−guest properties of the complex were explored by EPR spectroscopy. Due to second coordination sphere effects and the hydrophobic effect ascribed to the calixarene cavity, this funnel complex selectively binds neutral molecules (alcohols, nitriles, amines) versus anions in water near physiological pH.
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https://hal.univ-brest.fr/hal-01679879
Contributor : Nicolas Renard <>
Submitted on : Wednesday, January 10, 2018 - 11:52:31 AM
Last modification on : Friday, March 27, 2020 - 2:35:47 AM

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Alex Inthasot, Nicolas Le Poul, Michel Luhmer, Benoit Colasson, Ivan Jabin, et al.. Selective EPR Detection of Primary Amines in Water with a Calix[6]azacryptand-Based Copper(II) Funnel Complex. Inorganic Chemistry, American Chemical Society, 2018, ⟨10.1021/acs.inorgchem.7b02541⟩. ⟨hal-01679879⟩

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