Zobrazeno 1 - 10 of 75 pro vyhledávání: '"E F Litvin"'
1
Use of low volatility mobile phases in electroosmotic thin-layer chromatography
Autor: B. V. Tyaglov, E. F. Litvin, A. O. Balushkin, Berezkin Viktor G
Publikováno v: Journal of Chromatography A. 1084:13-17
A variant of electroosmotic thin-layer chromatography is suggested with the use of low volatility compounds as mobile phases aimed at drastically decreasing the evaporation of the mobile phase and improving the reproducibility of the method. The line
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5fc12a5d8aaa3e96d9eca419334f91e
https://doi.org/10.1016/j.chroma.2004.12.093
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2
3-Azabicyclo[3.3.1]nonane Derivatives: IX. Synthesis and Molecular Structure of 3-Azabicyclo[3.3.1]nonane-1,5-diamines in Solution and in Solid State
Autor: M. V. Kopyshev, E. F. Litvin, V. Z. Sharf, M. B. Nikishina, L. M. Kozlova, D. V. Gurylev, Ivan I. Vorontsov, Yu. M. Atroshchenko, I. V. Shakhkel'dyan, N. A. Troitskii, E. N. Alifanova
Publikováno v: Russian Journal of Organic Chemistry. 40:255-260
During catalytic reduction with hydrogen on nickel of a series of 3-substituted 1,5-dinitro-3-azabicyclo-[3.3.1]non-6-enes alongside nitro groups reduction occurred also hydrogenation of the double bond. New diamines of the 3-azabicyclo[3.3.1]nonane
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2f4af4415da54d23a6bae92edefb1994
https://doi.org/10.1023/b:rujo.0000034950.28394.e0
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3
[Untitled]
Autor: A.P. Kaplun, V. I. Shvets, E L Surkova, A. V. Symon, N. K. Vlasenkova, G. K. Gerasimova, E F Litvin, L M Kozlova, Le Bang Shon
Publikováno v: Russian Journal of Bioorganic Chemistry. 29:185-189
Two methods of obtaining of 3 alpha-betulinic acid and related compounds from their 3 beta-epimers were studied: the reaction of bimolecular substitution and the stereoselective reduction of 3-ketoderivatives. The substitution of acyloxy by formyloxy
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e91e1eea81b3cfb5bd024c8aa1311865
https://doi.org/10.1023/a:1023220701797
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4
Glycerol dehydroxylation in hydrogen on a Raney cobalt catalyst
Autor: Alexander A. Greish, Yu. A. Korolev, M. V. Kopyshev, Leonid M. Kustov, L. M. Kozlova, E. F. Litvin
Publikováno v: Catalysis in Industry. 2:287-289
Glycerol dehydroxylation on a Raney cobalt catalyst in hydrogen was studied. It was found that with an increase in temperature from 140 to 200°C at a hydrogen pressure of 30 MPa, glycerol conversion increases from 14 to 97%. The glycerol is complete
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0815161f4f77b64392f0f3f817be9f19
https://doi.org/10.1134/s2070050410030141
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6
Liquid phase hydrogenolysis of dibenzyl ether over metals of the VIIIth group
Autor: E. F. Litvin, V. Z. Sharf, S. V. Rusina
Publikováno v: Russian Chemical Bulletin. 42:1200-1203
It has been shown that depending on the catalyst and the solvent used, during the conversion of dibenzyl ether to toluene hydrogenolysis of C-O ether bonds, dehydrogenation and hydrogenolysis of benzyl alcohol formed, hydrogenation and decarbonylatio
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b71ba60718d03867031f0f552f9cce3e
https://doi.org/10.1007/bf00702006
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