Search Results - "Shandura, M.P."

Breaking of symmetrical charge distribution in xanthylocyanine chromophores detecting by their absorption spectra by Vasyluk, S.V., Viniychuk, O.O., Poronik, Ye.M., Kovtun, Yu.P., Shandura, M.P., Yashchuk, V.M., Kachkovsky, O.D.

“…A detailed experimental investigation and quantum-chemical analysis of symmetrical cyanines with xanthylium and its substituted derivatives and with different…”
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Substituted xanthylocyanines. III. Dyes containing non-symmetrically substituted xanthylium core by Poronik, Ye.M., Shandura, M.P., Kovtun, Yu.P.

“…A series of symmetrically and non-symmetrically substituted dyes were prepared from 9-methylxanthylium salts. The absorbance spectra of these compounds contain…”
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Series of polymethine dyes derived from 2,2-difluoro-1,3,2-(2 H)-dioxaborine of 3-acetyl-7-diethylamino-4-hydroxycoumarin by Gerasov, A.O., Shandura, M.P., Kovtun, Yu.P.

“…A series of symmetrical and unsymmetrical dyes with different polymethine chain lengths based on the 2,2-difluoro-1,3,2-(2 H)-dioxaborine of…”
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Effect of chromophore elongation on linear and nonlinear optical properties of merocyanines derivatives of diethylaminocoumarin by Gayvoronsky, V.Ya, Uklein, A.V., Gerasov, A.O., Garashchenko, V.V., Kovtun, Yu.P., Shandura, M.P., Kachkovsky, O.D.

“…•A series of merocyanines based on aminocoumarin core with different length of the polymethine chain were studied.•Spectral and quantum-chemical analysis of…”
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Electronic transitions in polymethine dyes involving local and delocalized levels by Viniychuk, O.O., Levchenko, S.M., Przhonska, O.V., Kachkovsky, O.D., Bricks, Yu.L., Kudinova, M.O., Kovtun, Yu.P., Poronik, Ye.M., Shandura, M.P., Tolmachev, O.I.

“…•Polymethine dyes producing delocalized and local molecular orbitals have been investigated.•The local orbitals are characterized by the charge mainly…”
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Substituted xanthylocyanines, Part IV: Trinuclear dyes with a pyronine nucleus by Shandura, M.P., Poronik, Ye. M., Kovtun, Yu. P., Ishchenko, A.A.

“…Trinuclear, dicationic and cation–anionic dyes carrying a pyronine nucleus were synthesized. Whilst their absorption spectra displayed two bands corresponding…”
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New heterocyclic analogues of rhodamines by Shandura, M.P., Poronik, Ye.M., Kovtun, Yu.P.

“…Double formylation of 9-methylpyronine yielded the corresponding 9-diformylmethinexanthene which was heterocyclized to furnish 9-hetarylpyronines. The chemical…”
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Substituted xanthylocyanines. II. Pyroninocyanines by Shandura, M.P., Poronik, Ye.M., Kovtun, Yu.P.

“…Symmetric and unsymmetric dyes derived from 9-methylpyronine have been obtained. Their absorption spectra exhibit an intensive long-wavelength band and a…”
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Metallochromic merocyanines of 8-hydroxyquinoline series. II. Dyes with end nuclei of low basicity by Kovtun, Yu.P., Prostota, Ya.O., Shandura, M.P., Poronik, Ye.M., Tolmachev, A.I.

“…Based on 5-substituted 8-hydroxyquinoline, a number of complexing merocyanines with the end nuclei of low basicity have been synthesized. Dyes of this kind…”
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New Calix[4]arene Based Hydroxystyryl Cyanine Dyes by KACHKOVSKIY, G.O., SHANDURA, M.P., DRAPAYLO, A.B., SLOMINSKII, J.L., TOLMACHEV, O.I., KALCHENKO, V.I.

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Linear and nonlinear absorption properties of D-π-A polymethine dyes by Honghua Hu, Padilha, L.A., Webster, S., Peceli, D., Przhonska, O.V., Hagan, D.J., Van Stryland, E.W., Gerasov, A.O., Shandura, M.P., Kovtun, Y.P., Kachkovski, A.D.

“…Linear and nonlinear absorption of a series of new donor-pi-acceptor polymethines with different lengths of conjugation are investigated and include quantum…”
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