Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Marina Kudrjašova"'
Autor:
Jevgenija Martõnova, Kristin Erkman, Ivar Järving, Marina Kudrjašova, Dmitri Trubitsõn, Tõnis Kanger
Publikováno v:
Organic letters. 23(5)
An efficient enantioselective organocatalytic method for the synthesis of N-alkylated indoles with α-branched alkyl substituents from the corresponding unsaturated indolyl ketones via a Michael add...
Autor:
Tatsiana Dalidovich, Kamini A. Mishra, Tatsiana Shalima, Marina Kudrjašova, Dzmitry Kananovich, Riina Aav
Solid-state reactions using mechanochemical activation have emerged as solvent-free atom-efficient strategies for sustainable chemistry. Herein we report a new mechanochemical approach for the amide coupling of carboxylic acids and amines, mediated b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::31a118ef5ba5d7c42ad9f6ea74adc2d9
https://doi.org/10.26434/chemrxiv.12735377
https://doi.org/10.26434/chemrxiv.12735377
Autor:
Jaan Parve, Ly Villo, Riina Aav, Indrek Reile, Tiina Aid, Tõnis Pehk, Imre Vallikivi, Lauri Vares, Omar Parve, Marina Kudrjašova, Aleksander-Mati Müürisepp
Publikováno v:
Journal of Molecular Catalysis B: Enzymatic. 116:60-69
Scalable lipase-catalytic method for the kinetic resolution of long-chain 1,2-alkanediol enantiomers via stereoselective cleavage of esters was developed. The influence of lipase, reaction medium, nucleophile, temperature and the structure of the acy
Publikováno v:
Synthesis. 45:2679-2683
An asymmetric aminocatalytic approach to alkylidenecyclopropane derivatives via Michael addition of aldehydes to nitroalkene derivatives was developed.
Autor:
Mihkel Kaljurand, Marina Kudrjašova, Priit Väljamäe, Mihhail Kurašin, Andres Käsper, Mihkel Koel, Kati Helmja, Merike Vaher
Publikováno v:
Catalysis Today. 196:34-41
The resurgence of the research of biomass processing is demanding novel methods facilitating the monitoring of lignocellulose processing. Here we demonstrate the suitability of capillary electrophoresis (CE) in the analysis of hydrothermal pre-treatm
Publikováno v:
Magnetic Resonance in Chemistry. 49:76-82
Spin–spin coupling constants between nuclei in NMR spectroscopy reflect their spatial arrangement. A number of calculation methods, applying different levels of theory, have been developed to support the stereochemical assignment of novel compounds
Publikováno v:
ChemInform. 45
Optimized conditions allow the synthesis of Michael adducts (III) with high enantioselectivity.
Autor:
Sandra Kaabel, Elina Kalenius, Kari Rissanen, Filip Topić, Marina Kudrjašova, Elena Prigorchenko, Riina Aav, Lauri Kivijärvi
Publikováno v:
Acta Crystallographica Section A Foundations and Advances. 71:s475-s476
Autor:
Marina Kudrjašova, Sergo Kasvandik, Omar Parve, Lauri Vares, Jüri Jarvet, Tõnis Pehk, Sven Tamp, Jaan Parve, Andrus Metsala, Indrek Reile, Ly Villo
Publikováno v:
The Journal of organic chemistry. 78(24)
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 enantiomers from the reaction mixtures, offered the possibility of a more detailed study o
Autor:
Riina, Aav, Tõnis, Pehk, Sven, Tamp, Toomas, Tamm, Marina, Kudrjašova, Omar, Parve, Margus, Lopp
Publikováno v:
Magnetic resonance in chemistry : MRC. 49(2)
Spin-spin coupling constants between nuclei in NMR spectroscopy reflect their spatial arrangement. A number of calculation methods, applying different levels of theory, have been developed to support the stereochemical assignment of novel compounds.