Zobrazeno 1 - 10
of 64
pro vyhledávání: '"A. V. Serebryannikova"'
Autor:
V. Serebryannikova
Publikováno v:
Системи управління, навігації та зв’язку. Збірник наукових праць. 4:22-27
В роботі розроблено метод розстановки пріоритетів синтезованих варіантів рішень для обґрунтування типу будівництва (модернізації) пов
Publikováno v:
Russian Journal of General Chemistry. 90:1369-1387
The review analyzes and summarizes methods for the synthesis of polycyclic derivatives of sulfolane (sulfolene). The reactions of polyalkylation, transformations of functional groups of the sulfolene ring, as well as the addition reaction at endo- an
Publikováno v:
Russian Journal of General Chemistry. 90:2522-2524
New bicyclic derivatives of nitrosulfolane annelated with 1-pyrazoline, 3-aryl-6a-methyl-6-nitro-3a,5,6,6a-tetrahydro-3H-thieno[3,2-c]pyrazole-4,4-dioxides, were obtained by oxidation of 3-aryl-1-carbamoyl-6a-methyl-6-nitrohexahydro-1H-thieno[3,2-c]p
Publikováno v:
Russian Journal of General Chemistry. 89:536-539
3-Aryl-6a-methyl-6-nitrohexahydrothieno[2,3-d]pyrazole-4,4-dioxides, new representatives of original bicyclic structures combining fused pyrazolidine and sulfolane rings in a molecule, were obtained through the reactions of 2-benzylidene-3-methyl-4-n
Publikováno v:
CAD/EDA, MODELING AND SIMULATION IN MODERN ELECTRONICS: COLLECTION OF SCIENTIFIC PAPERS OF THE III INTERNATIONAL SCIENTIFIC AND PRACTICAL CONFERENCE.
The article presents the results of modeling in the Multisim a forward pulse DC/DC converter based on the UC3842 microcircuit. Conclusions are drawn about the features of the choice of transformer parameters in forward and flyback converters.
Publikováno v:
Russian Journal of General Chemistry. 88:1612-1617
2-Benzylidene-3-methyl-4-nitro-3-thiolene-1,1-dioxide and its analogs have been introduced in the aza-Michael reaction with hydrazine derivatives. Novel polysubstituted nitrosulfolenes have been obtained; their structures have been confirmed using 1
Autor:
A. V. Serebryannikova, V. M. Berestovitskaya, L. V. Lapshina, Vladislav V. Gurzhiy, I. E. Efremova
Publikováno v:
Chemistry of Heterocyclic Compounds. 54:76-82
A method was developed based on reactions of 2-benzylidene-3-methyl-4-nitro-3-thiolene 1,1-dioxide and its substituted analogs with hydroxylamine and N-methylhydroxylamine for the synthesis of 3-aryl-6а-methyl-6-nitrohexahydrothieno[2,3-d]isoxazole
Autor:
I. E. Efremova, L. V. Lapshina, Vladislav V. Gurzhiy, Arkadii E. Ryabin, Anna V. Serebryannikova
Publikováno v:
Chemistry of Heterocyclic Compounds. 55:902-904
The reaction of oxidation of 3-aryl-6a-methyl-6-nitrohexahydrothieno[2,3-d]pyrazole 4,4-dioxides by bromine was used to synthesize their derivatives 3-aryl-6a-methyl-6-nitro-3a,5,6,6a-tetrahydro-1H-thieno[3,2-c]pyrazole 4,4-dioxides, the structure of
Publikováno v:
Tetrahedron. 88:132153
Methyl 2-(3-arylisoxazol-5-yl)-2-diazoacetates were synthesized and the product selectivity of their thermal Buchner reaction with benzene, naphthalene and mesitylene was studied. The reaction of the isoxazolyl-substituted diazoacetates with benzene
Publikováno v:
The Journal of organic chemistry. 84(23)
The first synthesis of isoxazole-4-carboxylic acid derivatives by domino isoxazole-isoxazole isomerization is reported. Fe(II)-catalyzed isomerization of 4-acyl-5-methoxy-/5-aminoisoxazoles (dioxane, 105 °C) leads to the formation of isoxazole-4-car