FEDOROV, Yuri V.; SHEPEL, N. E.; CHERNIKOVA, Ekaterina Yu.; FEDOROVA, Olga A.; GULAKOVA, Elena N.; AVAKYAN, V. G.; JONUSAUSKAS, Gediminas

doi:10.1007/s11172-008-0340-0

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FEDOROV, Yuri V.
A. N. Nesmeyanov Institute of Organoelement Compounds [INEOS]

SHEPEL, N. E.
A. N. Nesmeyanov Institute of Organoelement Compounds [INEOS]

CHERNIKOVA, Ekaterina Yu.
A. N. Nesmeyanov Institute of Organoelement Compounds [INEOS]

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Russian Chemical Bulletin. 2008-11-18, vol. 57, n° 11, p. 2385-2393

Springer Verlag

Résumé en anglais

The reversible photochemical E--Z-isomerization of crown-containing 4-styrylpyridine was studied. The reaction was carried out in the presence of alkaline-earth metals capable of forming complexes with the crown-ether fragment and heavy metal perchlorates (Hg2+, Cd2+) that are able to coordinate the nitrogen atom of the heterocyclic residue. The influence of complex formation on the E--Z-photoisomerization was determined by electronic spectroscopy and 1H NMR spectroscopy. The studies performed confirm that the E--Z-photoisomerization can be controlled using supramolecular complex formation.< Réduire

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mercury perchlorate

15-crown-5 ethe

crown-containing styrylpyridine

E--Z-photoisomerization

complex formation

alkaline-earth metal perchlorates

cadmium perchlorate

mercury perchlorate.

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Specific features of reversible E--Z-photoisomerization of crown-containing 4-styrylpyridine complexes with various cations

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