Search Results - "Poronik, Ye.M."

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  1. 1

    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.

    Published in Journal of molecular structure (29-03-2011)
    “…A detailed experimental investigation and quantum-chemical analysis of symmetrical cyanines with xanthylium and its substituted derivatives and with different…”
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    Journal Article
  2. 2

    Substituted xanthylocyanines. III. Dyes containing non-symmetrically substituted xanthylium core by Poronik, Ye.M., Shandura, M.P., Kovtun, Yu.P.

    Published in Dyes and pigments (2007)
    “…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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  3. 3

    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.

    Published in Journal of molecular structure (24-02-2014)
    “…•Polymethine dyes producing delocalized and local molecular orbitals have been investigated.•The local orbitals are characterized by the charge mainly…”
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    Journal Article
  4. 4

    New heterocyclic analogues of rhodamines by Shandura, M.P., Poronik, Ye.M., Kovtun, Yu.P.

    Published in Dyes and pigments (2007)
    “…Double formylation of 9-methylpyronine yielded the corresponding 9-diformylmethinexanthene which was heterocyclized to furnish 9-hetarylpyronines. The chemical…”
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  5. 5

    Substituted xanthylocyanines. II. Pyroninocyanines by Shandura, M.P., Poronik, Ye.M., Kovtun, Yu.P.

    Published in Dyes and pigments (01-09-2005)
    “…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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  6. 6

    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.

    Published in Dyes and pigments (01-03-2004)
    “…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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    Journal Article