Search Results - "Kudrjašova, Marina"

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    Enantioselective Organocatalytic Michael Addition to Unsaturated Indolyl Ketones by Trubitsõn, Dmitri, Martõnova, Jevgenija, Kudrjašova, Marina, Erkman, Kristin, Järving, Ivar, Kanger, Tõnis

    Published in Organic letters (05-03-2021)
    “…An efficient enantioselective organocatalytic method for the synthesis of N-alkylated indoles with α-branched alkyl substituents from the corresponding…”
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    Journal Article
  3. 3

    Effect of green co-solvents on properties and synthesis of cellulose esters in superbase ionic liquid by Tarasova, Elvira, Savale, Nutan, Trifonova, Lada, Krasnou, Illia, Reile, Indrek, Kudrjašova, Marina, Mere, Arvo, Kaljuvee, Tiit, Mikli, Valdek, Sedrik, Rauno, Krumme, Andres

    Published in Cellulose (London) (01-05-2024)
    “…  The study proposes using the distillable ionic liquid 5-methyl-1,5,7-triaza-bicyclo-[4.3.0]non-6-enium acetate, [mTBNH][OAc], for cellulose dissolution,…”
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    Journal Article
  4. 4

    Preparation of Thermoplastic Cellulose Esters in [mTBNH][OAC] Ionic Liquid by Transesterification Reaction by Tarasova, Elvira, Savale, Nutan, Krasnou, Illia, Kudrjašova, Marina, Rjabovs, Vitalijs, Reile, Indrek, Vares, Lauri, Kallakas, Heikko, Kers, Jaan, Krumme, Andres

    Published in Polymers (01-10-2023)
    “…The transesterification of cellulose with vinyl esters in ionic liquid media is suggested as a prospective environmentally friendly alternative to conventional…”
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    Journal Article
  5. 5

    An NMR and MD Modeling Insight into Nucleation of 1,2-Alkanediols: Selective Crystallization of Lipase-Catalytically Resolved Enantiomers from the Reaction Mixtures by Parve, Omar, Reile, Indrek, Parve, Jaan, Kasvandik, Sergo, Kudrjašova, Marina, Tamp, Sven, Metsala, Andrus, Villo, Ly, Pehk, Tõnis, Jarvet, Jüri, Vares, Lauri

    Published in Journal of organic chemistry (20-12-2013)
    “…The work on developing a scalable lipase-catalytic method for the kinetic resolution of long-chain 1,2-alkanediols, complemented by crystallization of the pure…”
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    Journal Article
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    Capillary electrophoretic monitoring of hydrothermal pre-treatment and enzymatic hydrolysis of willow: Comparison with HPLC and NMR by Vaher, Merike, Helmja, Kati, Käsper, Andres, Kurašin, Mihhail, Väljamäe, Priit, Kudrjašova, Marina, Koel, Mihkel, Kaljurand, Mihkel

    Published in Catalysis today (30-11-2012)
    “…[Display omitted] ► Capillary electrophoresis (CE) to monitor enzymatic hydrolysis of willow. ► CE method able to separate saccharides and furfural…”
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    Journal Article Conference Proceeding
  7. 7

    Lipase-catalyzed stereoresolution of long-chain 1,2-alkanediols: A screening of preferable reaction conditions by Parve, Jaan, Reile, Indrek, Aid, Tiina, Kudrjašova, Marina, Müürisepp, Aleksander-Mati, Vallikivi, Imre, Villo, Ly, Aav, Riina, Pehk, Tõnis, Vares, Lauri, Parve, Omar

    “…•Lipase-catalyzed methanolysis of diesters affords enantiomeric (S)-1,2-alkanediols.•Crystallization of (S)-enantiomer from reaction mixture complements the…”
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    Journal Article
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    Theoretical prediction and assignment of vicinal 1H-1H coupling constants of diastereomeric 3-alkoxy-6,7-epoxy-2-oxabicyclo[3.3.0]octanes by Aav, Riina, Pehk, Tõnis, Tamp, Sven, Tamm, Toomas, Kudrjašova, Marina, Parve, Omar, Lopp, Margus

    Published in Magnetic resonance in chemistry (01-02-2011)
    “…Spin–spin coupling constants between nuclei in NMR spectroscopy reflect their spatial arrangement. A number of calculation methods, applying different levels…”
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    Journal Article
  9. 9

    Protecting-group-free mechanosynthesis of amides from hydroxycarboxylic acids: application to the synthesis of imatinib by Nikonovich, Tatsiana, Jarg, Tatsiana, Martõnova, Jevgenija, Kudrjašov, Artjom, Merzhyievskyi, Danylo, Kudrjašova, Marina, Gallou, Fabrice, Aav, Riina, Kananovich, Dzmitry

    Published in RSC Mechanochemistry (14-05-2024)
    “…Despite considerable advancements in mechanochemical amide couplings, there is a paucity of studies addressing chemoselective issues in these transformations,…”
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    Journal Article
  10. 10

    Evolved gas analysis of apatite materials using thermochromatography by Koel, Mihkel, Kudrjašova, Marina, Tõnsuaadu, Kaia, Peld, Merike, Veiderma, Mihkel

    Published in Thermochimica acta (11-11-1998)
    “…Evolved gas analyses of model inorganic compounds and apatites are described. The measurements are performed on the system – a `thermochromatograph' (ThGC) –…”
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    Journal Article
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    Theoretical prediction and assignment of vicinal 1 H– 1 H coupling constants of diastereomeric 3‐alkoxy‐6,7‐epoxy‐2‐oxabicyclo[3.3.0]octanes by Aav, Riina, Pehk, Tõnis, Tamp, Sven, Tamm, Toomas, Kudrjašova, Marina, Parve, Omar, Lopp, Margus

    Published in Magnetic resonance in chemistry (01-02-2011)
    “…Spin–spin coupling constants between nuclei in NMR spectroscopy reflect their spatial arrangement. A number of calculation methods, applying different levels…”
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    Journal Article