Synthesis, complexation, and E-Z photoisomerization of azadithiacrown-containing styryl dyes as new optical sensors for mercury cations

E. V. Tulyakova (1) , O. A. Fedorova (2) , Y. V. Fedorov (2) , Gediminas Jonusauskas (3) , L. G. Kuz'Mina (4) , J. A. K. Howard (5) , A. V. Anisimov (1)

1 Department of Chemistry, Lomonosov Moscow State University
2 Photochemistry Center [Moscou]
3 CPMOH - Centre de physique moléculaire optique et hertzienne
4 N.S. Kurnakov Institute of General and Inorganic Chemistry
5 Department of Chemistry [Durham, UK]

New styryl dyes containing azadithia-15-crown-5 fragments were synthesized. The complexation of these compounds with Ag+, Pb2+, Cu2+, Hg2+, and H+ cations was studied by 1H NMR spectroscopy, steady-state, and time-resolved spectroscopy. The stability constants of the complexes were calculated from the spectrophotometric titration data. The photophysical properties and E-Z photoisomerization of styryl dyes and their complexes with mercury and copper(II) cations in acetonitrile were examined.

Mots clés: Styryl dyes; phenylazadithia-15-crown-5 ether; complexation; photochemistry; E-Z photoisomerization

Domaines: Chimie-Physique [physics.chem-ph]

E. V. Tulyakova, O. A. Fedorova, Y. V. Fedorov, Gediminas Jonusauskas, L. G. Kuz'Mina, et al.. Synthesis, complexation, and E-Z photoisomerization of azadithiacrown-containing styryl dyes as new optical sensors for mercury cations. Russian Chemical Bulletin, 2007, 56 (3), pp.513-526. ⟨10.1007/s11172-007-0082-4⟩. ⟨hal-01553027⟩