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New terpyridine derivatives of thiacalix[4]arenes in solution and at the water-air interface
Authors
Agarkov A.S.
Antipin I.S.
+9 more
Bazanova O.B.
Galieva F.B.
Muravev A.A.
Rizvanov I.K.
Selektor S.L.
Shokurov A.V.
Solovieva S.E.
Yakupov A.T.
Zaitseva A.V.
Publication date
1 January 2020
Publisher
Abstract
© 2020, Springer Science+Business Media LLC. New di- and tetrasubstituted thiacalix[4]arenes in cone and 1,3-alternate configurations containing terpyridine and triazole fragments at the lower rim of the macrocycle, as well as model triazole-terpyridine, are synthesized. The structures and purity of the compounds are confirmed by NMR spectroscopy and high-resolution MALDI mass spectrometry. The compounds form luminescent complexes with lanthanide cations (europium and terbium) in a chloroform-methanol (10: 1) system during fluorimetric titration. The possibility of antenna ef ect during fluorescence sensitization in lanthanides by the thiacalixarene ligands is demonstrated. Successful immobilization of the terpyridine receptors on a solid substrate makes it possible to consider the Langmuir-Blodgett films on the basis of these receptors as promising adsorbents of lanthanide from nonaqueous media or organic salts and also provides new opportunities for the investigation of the luminescence characteristics of lanthanide complexes in thin films
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Last time updated on 03/05/2021