Zobrazeno 1 - 10 of 253 pro vyhledávání: '"Sergei I. Kozhushkov"'
2
Akademický článek
(2R,1'S,2'R)- and (2S,1'S,2'R)-3-[2-Mono(di,tri)fluoromethylcyclopropyl]alanines and their incorporation into hormaomycin analogues
Autor: Armin de Meijere, Sergei I. Kozhushkov, Dmitrii S. Yufit, Christian Grosse, Marcel Kaiser, Vitaly A. Raev
Publikováno v: Beilstein Journal of Organic Chemistry, Vol 10, Iss 1, Pp 2844-2857 (2014)
Efficient and scalable syntheses of enantiomerically pure (2R,1'S,2'R)- and (2S,1'S,2'R)-3-[2-mono(di,tri)fluoromethylcyclopropyl]alanines 9a–c, as well as allo-D-threonine (4) and (2S,3R)-β-methylphenylalanine (3), using the Belokon' approach wit
Externí odkaz: https://doaj.org/article/d98067659fc24c0a80319c6d1efd5c99
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4
Akademický článek
Scalable synthesis of (1-cyclopropyl)cyclopropylamine hydrochloride
Autor: Sergei I. Kozhushkov, Alexander F. Khlebnikov, Rafael R. Kostikov, Dmitrii S. Yufit, Armin de Meijere
Publikováno v: Beilstein Journal of Organic Chemistry, Vol 7, Iss 1, Pp 1003-1006 (2011)
1-Cyclopropylcyclopropanecarboxylic acid (2), which is accessible on a large scale (900 mmol) from 1-bromo-1-cyclopropylcyclopropane (1) in 64% yield (89% on a 12.4 mmol scale), has been subjected to a Curtius degradation employing the Weinstock prot
Externí odkaz: https://doaj.org/article/df94c7e388cf46ebafa0aae68f6b567e
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5
Akademický článek
Effect of substituents on the 13C-NMR chemical shifts of 3-methylene-4-substituted-1,4-pentadienes. Part I.
Autor: IVAN O. JURANIC, ARMIN DE MEIJERE, GORDANA S. USCUMLIC, SERGEI I. KOZHUSHKOV, ZELJKO VITNIK, NATASA V. VALENTIC
Publikováno v: Journal of the Serbian Chemical Society, Vol 68, Iss 2, Pp 67-76 (2003)
The principles of linear free energy relationships were applied to the 13C substituent chemical shifts (SCS) of the carbon atoms in the unsaturated chain of 3-methylene-4-substituted-1,4-pentadienes. Correlations of the SCS with the substituent param
Externí odkaz: https://doaj.org/article/a30bd8edaad74bfcac41dc3f37a709d8
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7
Synthetic Applications of Sulfonium Salts
Autor: Sergei I. Kozhushkov, Manuel Alcarazo
Publikováno v: European Journal of Inorganic Chemistry
This minireview aims to cover the developments over the past two decades in the chemistry of sulfonium salts. Specifically, insight is provided into the synthetic strategies available for the preparation of these compounds, the different reactivity p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::98de556ade00d91488959afa56ba3363
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8
X-ray spectroscopic identification of strain and structure-based resonances in a series of saturated carbon-cage molecules: Adamantane, twistane, octahedrane, and cubane
Autor: Oscar A. Paredes Mellone, Anthony van Buuren, Lasse Landt, Armin de Meijere, Sergei I. Kozhushkov, Boryslav A. Tkachenko, Peter R. Schreiner, D. Brehmer, Trevor M. Willey, Andrey A. Fokin, Jonathan R. I. Lee
Publikováno v: Journal of Vacuum Science & Technology A. 39:053208
Novel nanocarbons such as fullerenes, nanotubes, graphene, and nanodiamond reside at the cutting edge of nanoscience and technology. Along with chemical functionalization, geometric constraints (such as extreme curvature in nanotubes or defects withi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::257a411e8e3ddb26313bcc953782ac54
https://doi.org/10.1116/6.0001150
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