Photochromism and Metal Complexation of a Macrocyclic Styryl Naphthopyran
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Publication Details
Output type: Journal article
Author list: Tulyakova EV, Fedorova OA, Micheau JC, Paramonov SV, Lokshin V, Vermeersch G, Delbaere S
Publisher: Wiley
Publication year: 2011
Journal: ChemPhysChem (1439-4235)
Volume number: 12
Issue number: 7
Start page: 1294
End page: 1301
Number of pages: 8
ISSN: 1439-4235
eISSN: 1439-7641
Languages: English-Great Britain (EN-GB)
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Open access status: closed
Abstract
A macrocyclic benzo-15-crown-5 ether unit tethered to a photochromic naphthopyran by a styryl spacer (MEN) is shown to form a 1:1 complex with magnesium(II). The structure and dynamics of the specific host-metal interactions were investigated by PFG-NMR analysis. A combination of UV/Vis and variable temperature multi-dimensional (1)H NMR photokinetic analysis of the crown-containing styryl naphthopyran and its metal complex was used to probe the effect of metal complexation on the photochromism.
Keywords
alkaline earth metals, nmr spectroscopy, photochromism, structure elucidation, supramolecular chemistry
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