Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Ryashentseva Margarita A"'
Publikováno v:
Russian Chemical Bulletin. 51:1698-1701
The activity and selectivity of mono- and bimetallic catalysts containing copper and rhenium on sibunite were studied in the decomposition of methanol to methyl formate (MF), water, H2, CO, and CO2at 200—400 °C. Methane is also formed on rhenium-c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80d9c70f5339a866d1a8bc315cfe69a7
https://doi.org/10.1023/a:1021303622225
https://doi.org/10.1023/a:1021303622225
Autor:
Svetlana A. Soldatova, Ryashentseva Margarita A, Zh. Ntaganda, O. V. Zvolinskii, Anatoly T. Soldatenkov, E. N. Smirnova, M. D. Kharlamova
Publikováno v:
Russian Chemical Bulletin. 51:2116-2120
Condensation of 5,6-dihydroindolo[2,1-a]isoquinoline with aromatic aldehydes in trifluoroacetic acid afforded 12-arylidene-5,6-dihydroindolo[2,1-a]isoquinolinium trifluoroacetates. Hydrogenolysis of these salts on rhenium heptasulfide at elevated tem
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::aeb5e31e11bb79514a3f99dece71ff21
https://doi.org/10.1023/a:1021684515325
https://doi.org/10.1023/a:1021684515325
Autor:
T. R. Brueva, Ryashentseva Margarita A
Publikováno v:
Russian Chemical Bulletin. 51:1694-1697
The texture of Cr2O3-K2O/Al2O3catalysts containing oxides of rare earth elements (REE) was studied. The catalysts are used for the synthesis of 2-methylthiophene by the reaction of H2S with n-pentane or piperilene. The heterocyclization of n-pentane
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::52acb97297ef26cd088f8415d0032c18
https://doi.org/10.1023/a:1021351505387
https://doi.org/10.1023/a:1021351505387
Publikováno v:
Chemistry of Heterocyclic Compounds. 35:740-745
Reactions of C- and N-nucleophiles at the carbonyl group of 8,11,11-trimethyl-11-silabenzo-[b]naphtho[2,3-d]thiophen-6-one have been studied. PMR Spectroscopy showed that condensation with aniline gives a mixture of the Z- and E- isomers of the corre
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b45d347a4c110629f723f2917eb4e349
https://doi.org/10.1007/bf02251636
https://doi.org/10.1007/bf02251636
Autor:
Ryashentseva Margarita A
Publikováno v:
Russian Chemical Reviews. 67:157-177
The problems in the use of rhenium compounds and supported mono-, bi-, and poly- metallic rhenium-containing catalysts for carrying out reactions involving the metathesis of alkenes and unsaturated functional compounds, the hydrogenation and dehydrog
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::24e8b04434798ab07ad39afdb68cfb6f
https://doi.org/10.1070/rc1998v067n02abeh000390
https://doi.org/10.1070/rc1998v067n02abeh000390
Autor:
Ryashentseva Margarita A
Publikováno v:
Chemistry of Heterocyclic Compounds. 42:1018-1020
In the presence of Pd-and Cr-containing catalysts applied to γ-Al2O3 or sibunite 4,5,6,7-tetrahydroindole is converted into indole. Indole was obtained in quantitative yield on sulfided 0.15–0.5% Pd/γ-Al2O3 catalyst at 360°C and on catalysts con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::762cf977fd7a5c57b8c5d54cc0de4843
https://doi.org/10.1007/s10593-006-0197-9
https://doi.org/10.1007/s10593-006-0197-9
Autor:
Ryashentseva Margarita A
Publikováno v:
Russian Chemical Reviews. 64:967-983
The catalytic and certain physicochemical properties of low-percentage palladium and bimetallic (Pd–Re, Pd–Co, and Pd-lanthanide oxides) supported catalysts have been examined in the dehydrogenation reactions of cyclanes, cyclenes, cyclohexadiene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f7aa1eb51b7c3251484ed67f0c6528b1
https://doi.org/10.1070/rc1995v064n10abeh000188
https://doi.org/10.1070/rc1995v064n10abeh000188
Autor:
Yu. T. Struchkov, K. D. Ambacheu, V. P. Zvolinsky, N. S. Prostakov, Ryashentseva Margarita A, Sergey Lindeman, V. G. Pleshakov, E. Huipe Nava, A. G. Dudareva, V. M. Akimov
Publikováno v:
Russian Chemical Bulletin. 44:682-688
Based on thermogravimetric characteristics first obtained for the model 6H-indeno [1,2-b]quinoline, the scheme of thermal conversions of this compound in the temperature range 20–700 °C has been proposed, and the limit of its thermal stability (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d16b5d078f98a3966b5f17258652ed29
https://doi.org/10.1007/bf00698503
https://doi.org/10.1007/bf00698503
Autor:
Ryashentseva Margarita A
Publikováno v:
Russian Chemical Reviews. 63:437-447
The synthesis of thiophene and alkylthiophenes by the reaction of acetylene, C4 -C8 alkanes, and C4 -C6 alkenes and alkadienes with hydrogen sulfide in the presence of metal oxides and sulfides as well as their mixtures is examined. The conditions fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9086461764dddf9a5032b315e9ff83d1
https://doi.org/10.1070/rc1994v063n05abeh000096
https://doi.org/10.1070/rc1994v063n05abeh000096
Autor:
Svetlana A. Soldatova, J. A. Alarkon, Anatoly T. Soldatenkov, Zh. A. Mamyrbekova, Ryashentseva Margarita A, L. I. Kryvenko, Zh. Ntaganda
Publikováno v:
Chemistry of Heterocyclic Compounds. 30:331-334
Indolo(2,1-a]isoquinoline was alkylated at C(11) under catalytic hydrogenation conditions over rhenium heptasulfide in a medium of various alcohols. It was shown that the alkylation occurs by an electrophilic substitution mechanism and the yield of t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a7dcde97920b1505c4f07bd9c05d0905
https://doi.org/10.1007/bf01165700
https://doi.org/10.1007/bf01165700