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  1. No Access

    Article

    Lability of spin state of Fe(III) complexes with tetradentate Schiff’s bases

    [FeLX2]Y [L = N,N'-ethylenebis(salicylimine) (salen), N,N'-ethylenebis(acetylacetonylimine) (acen), or N,N'-ethylenebis(3-methyloxysalicylimine) (vanen); X = imidazole or N-methylimidazole; Y = BF4, ClO4, or BPh4

    T. A. Ivanova, L. V. Mingalieva, I. V. Ovchinnikov… in Russian Journal of General Chemistry (2016)

  2. No Access

    Article

    Specific features of spin-variable properties of [Fe(acen)pic2]BPh4 · nH2O

    The [Fe(acen)pic2]BPh4 · nH2O compound has been synthesized and studied in the temperature interval of 5–300 K by the methods of EPR and magnetic susceptibility. The existence of ferromagnetic interactions betwee...

    T. A. Ivanova, I. V. Ovchinnikov, I. F. Gil’mutdinov… in Physics of the Solid State (2016)

  3. No Access

    Article

    Preparation and liquid-crystalline properties of mono- and binuclear complexes of Fe(III) with pentadentate Schiff’s base

    Liquid-crystalline mono-and binuclear complexes of Fe(III) based on pentadentate Schiff’s base, N,N′-bis(2-hydroxy-4-octadecyloxybenzyliden)-1,7-diamino-4-azaheptane, have been prepared for the first time. The ef...

    O. A. Turanova, G. I. Ivanova, L. G. Gafiyatullin… in Russian Journal of General Chemistry (2014)

  4. No Access

    Article

    Thermo- and photoinduced properties of the Fe(III) complexes with the pentadentate ligand according to the EPR data

    Compounds [Fe(Salten)L]BPh4 (Salten = N,N-bis[(2-oxyphenyl)methylene]-4-azaheptane-1,7-diamine; L = Him (I) and Pic (II)) were studied by the EPR method in the temperature range from 5 to 300 K. The thermoinduced...

    I. V. Ovchinnikov, T. A. Ivanova… in Russian Journal of Coordination Chemistry (2013)

  5. No Access

    Article

    Spin Crossover [Fe(qsal)2]X (X = Cl, SCN, CF3SO3) Complexes: EPR and DFT Study

    The compounds [Fe(qsal)2]X (X = Cl, SCN, CF3SO3) were synthesized and investigated by electron paramagnetic resonance (EPR). The dependence of the Fe(III) spin state on the type of counterion X and on the tempera...

    T. A. Ivanova, I. V. Ovchinnikov, R. R. Garipov… in Applied Magnetic Resonance (2011)

  6. No Access

    Article

    EPR of the first Fe(III)-containing spin-crossover metallomesogens

    The low-spin (LS) to high-spin (HS) transition in two mesogenic Fe(III) complexes with alkyloxysalicyliden-N′-ethyl-N-ethylendiamine as ligands is studied by electron paramagnetic resonance (EPR). The symmetrizat...

    I. V. Ovchinnikov, T. A. Ivanova, V. E. Petrashen’… in Applied Magnetic Resonance (2005)

  7. No Access

    Article

    Lanthanide Liquid Crystalline Complexes with Perfluoroalkylsulfate Anion

    Lanthanide complexes L"3Ln(ROSO3)3 are synthesized with Ln(III) = Eu, Tb, Dy, Ho, Er, Tm, Yb; L" = 4-tetradecyloxy-N-octadecyl-2-hydroxybenzaldimine and perfluoro-substituted alkylsulfate anion as counterion (whe...

    F. K. Gainullina, L. V. Malykhina… in Russian Journal of Coordination Chemistry (2003)

  8. No Access

    Article

    Magnetic anisotropy of liquid crystals based on lanthanide mesogenic complexes

    The values of magnetic anisotropy of smectic A-phases for a number of lanthanide complexes (LH)2LM(NO3)2, where M=Nd, Eu, Gd, Tb, Dy, Ho, and Er, and LH is a Schiff's base), were measured. These values are two or...

    A. N. Turanov, I. V. Ovchinnikov, Yu. G. Galyametdinov… in Russian Chemical Bulletin (1999)

  9. No Access

    Article

    Synthesis and mesogenic properties of azomethine complexes of lanthanides with alkyl sulfate anions

    Liquid-crystalline cationic complexes of lanthanides with azomethines containing the alkyl sulfate anion as the counterion were synthesized. The temperatures of existence of the mesophase of the complexes with...

    Yu. G. Galyametdinov, G. I. Ivanova, I. V. Ovchinnikov… in Russian Chemical Bulletin (1999)

  10. No Access

    Article

    The synthesis of liquid crystalline lanthanide complexes and their magnetic birefringence

    Liquid crystalline complexes of the type [ML(LH)2](NO3)2, where LH=C7H15O-C6H3(OH)CH=N-C18H37 and M=Gd, Dy, and La, have been obtained. All of them exhibit the SA phase and have high magnetic birefringence consta...

    Yu. G. Galyametdinov, G. I. Ivanova, A. V. Prosvirin… in Russian Chemical Bulletin (1994)

  11. No Access

    Article

    The problem of controlling a Wiener process when the number of switchings is bounded

    We are considering the problem of controlling a one-dimensional Wiener process ξ(t) ξ(0)=0,EΔξ=0,DΔξ=σ 2Δt.

    G. I. Ivanova in Journal of Soviet Mathematics (1991)

  12. No Access

    Article

    Liquid-crystalline complexes of rare-earth elements with a Shiff base

    Yu. G. Galyametdinov, G. I. Ivanova… in Bulletin of the Academy of Sciences of the… (1991)

  13. No Access

    Article

    Synthesis and liquid-crystalline properties of copper(II) bis[4-heptyloxy-N-(aryl)benzaldimine-2-olates]

    We describe the synthesis and liquid-crystalline properties of copper complexes with Schiffs bases. We show that when going from ligands to complexes, the mesophase interval narrows until it disappears and the...

    Yu. G. Galyametdinov, G. I. Ivanova… in Bulletin of the Academy of Sciences of the… (1989)

  14. No Access

    Article

    Effect of chondroitin sulfate preparations on wound healing and strength of the surgical scar

    M. A. Fialkova, T. Yu. Smirnova… in Bulletin of Experimental Biology and Medic… (1989)

  15. No Access

    Article

    Synthesis and liquid-crystalline properties of 4-(heptyloxy)-n-(aryl)benzaldimin-2-ols

    The synthesis and liquid-crystalline properties of 4-(heptyloxy)-N-(aryl)benzaldimin-2-ols have been described. The compounds obtained have smectic and nematic mesomorphism. Alternation of the bleaching temper...

    Yu. G. Galyametdinov, G. I. Ivanova in Bulletin of the Academy of Sciences of the… (1989)

  16. No Access

    Article

    Paramagnetic liquid crystal complex of iron(III) with a schiff base

    Yu. G. Galyametdinov, G. I. Ivanova… in Bulletin of the Academy of Sciences of the… (1989)

  17. No Access

    Article

    Synthesis of a phosphate with liquid crystal properties

    Yu. G. Galyametdinov, I. N. Alikina… in Bulletin of the Academy of Sciences of the… (1988)

  18. No Access

    Article

    Liquid crystal complexes of copper with Schiff bases

    A synthesis is reported for paramagnetic copper complexes of Schiff bases possessing liquid crystal properties.

    Yu. G. Galyametdinov, I. V. Ovchinnikov… in Bulletin of the Academy of Sciences of the… (1984)

  19. No Access

    Article

    Liquid-crystalline copper and vanadyl dioctylarsinates

    Yu. G. Galyametdinov, F. R. Garleva… in Bulletin of the Academy of Sciences of the… (1984)

  20. No Access

    Article

    Stimulating effect of a combination of lactin and hyphotocin on galactopoiesis in rats

    G. I. Ivanova, A. D. Vlasova… in Bulletin of Experimental Biology and Medic… (1981)

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