Results 1 to 10 of about 318 (88)

Synthesis and crystal structure analysis of (3aRS,6RS,7aRS)-N-(4-bromophenyl)-1,6,7,7a-tetrahydro-3a,6-epoxyisoindole-2(3H)-carboselenoamide [PDF]

open access: yesActa Crystallographica Section E: Crystallographic Communications
The asymmetric unit of the title compound, C15H15BrN2OSe, contains two crystallographically independent molecules in which the cyclohexene and pyrrole rings are in boat and envelope conformations, respectively.
Dimitrii M. Shchevnikov   +5 more
doaj   +2 more sources

Crystal structure and Hirshfeld surface analysis of 5,5-difluoro-10-[5-(trimethylsilyl)furan-2-yl]-5H-4λ4,5λ4-dipyrrolo[1,2-c:2′,1′-f][1,3,2]diazaborinine [PDF]

open access: yesActa Crystallographica Section E: Crystallographic Communications
In the title compound, C16H17BF2N2OSi, the molecular conformation is consolidated by an intramolecular C—H...O hydrogen bond, forming an S(6) motif. In the crystal, pairs of molecules are connected by C—H...π and π–π interactions [centroid-to-centroid ...
Dmitriy M. Shchevnikov   +6 more
doaj   +2 more sources

Crystal structure and Hirshfeld surface analysis of (E)-1-{2,2-dibromo-1-[4-(tert-butyl)phenyl]ethenyl}-2-(3,4-dimethylphenyl)diazene [PDF]

open access: yesActa Crystallographica Section E: Crystallographic Communications
The title azo compound, C20H22Br2N2, crystallizes in the triclinic space group P1 (No. 2) with two independent molecules in the asymmetric unit. The molecular structure was analyzed using spectroscopic and crystallographic techniques, confirming the ...
Namig G. Shikhaliyev   +7 more
doaj   +2 more sources

Crystal structure and Hirshfeld surface analysis of dimethyl 4-hydroxy-5,4′-dimethyl-2′-(toluene-4-sulfonylamino)biphenyl-2,3-dicarboxylate [PDF]

open access: yesActa Crystallographica Section E: Crystallographic Communications
In the title compound, C25H25NO7S, the molecular conformation is stabilized by intramolecular O—H...O and N—H...O hydrogen bonds, which form S(6) and S(8) ring motifs, respectively. The molecules are bent at the S atom with a C—SO2—NH—C torsion angle of −
Narmina A. Guliyeva   +6 more
doaj   +2 more sources

Crystal structure and Hirshfeld surface analysis of 8-benzyl-1-[(4-methylphenyl)sulfonyl]-2,7,8,9-tetrahydro-1H-3,6:10,13-diepoxy-1,8-benzodiazacyclopentadecine ethanol hemisolvate [PDF]

open access: yesActa Crystallographica Section E: Crystallographic Communications
The asymmetric unit of the title compound, 2C31H28N2O4S·C2H6O, contains a parent molecule and a half molecule of ethanol solvent. The main compound stabilizes its molecular conformation by forming a ring with an R12(7) motif with the ethanol solvent ...
Gleb M. Burkin   +6 more
doaj   +2 more sources

Crystal structures and Hirshfeld surface analyses of methyl (2Z)-(4-bromophenyl)[2-(4-methylphenyl)hydrazinylidene]acetate, methyl (2Z)-(4-bromophenyl)[2-(3,5-dimethylphenyl)hydrazinylidene]acetate, methyl (2Z)-[2-(4-methoxyphenyl)hydrazinylidene](3-nitrophenyl)acetate, methyl (2E)-(4-chlorophenyl)(2-phenylhydrazinylidene)acetate and methyl (2Z)-[2-(4-bromophenyl)hydrazinylidene](4-chlorophenyl)acetate [PDF]

open access: yesActa Crystallographica Section E: Crystallographic Communications
Molecules of the title compounds, methyl (Z)-2-(4-bromophenyl)-2-[2-(4-methylphenyl)hydrazin-1-ylidene]acetate, C16H15BrN2O2, (1), methyl (Z)-2-(4-bromophenyl)-2-[2-(3,5-dimethylphenyl)hydrazin-1-ylidene]acetate, C17H17BrN2O2, (2), methyl (Z)-2-[2-(4 ...
Namiq Q. Shikhaliyev   +8 more
doaj   +2 more sources

Efficiency of Using the Auxiliary Boiler for Peak Power Generation by a Steam Turbine of NPP

open access: yesИзвестия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2021
The article presents the technique of an estimation of efficiency of use of potential heat output of an auxiliary boiler (AB) to improve electric capacity and manoeuvrability of a steam turbine unit of a power unit of a nuclear power plant (NPP) equipped
V. A. Khrustalev, M. V. Garievskii
doaj   +1 more source

Evaluation of scientific research and development works providing diversification of production

open access: yesRussian Journal of Economics and Law, 2021
Objective: to develop methodological foundations and tools for evaluating research and development activities carried out in order to diversify production at enterprises of the military-industrial complex, as well as to predict their prices.
A. M. Batkovskiy   +2 more
doaj   +1 more source

THE EFFECT OF ENALAPRIL ON THE FUNCTIONAL AND APOPTOTIC ACTIVITY OF NEUTROPHILS IN PATIENTS WITH RHEUMATIC HEART DISEASE

open access: yesРациональная фармакотерапия в кардиологии, 2015
Aim. To study the effect of enalapril on functional activity and vitality of polymorphonuclear cells in rheumatic heart disease complicated by congestive heart failure.Material and methods.
M. V. Ilyin, A. O. Khrustalev
doaj   +3 more sources

The problem of anthelminthic resistance in horse breeding

open access: yesРоссийский паразитологический журнал, 2022
The purpose of the research is to outline the growing problem of anthelmintic resistance of horse nematodes in the world, to describe the methods currently used to detect it, and the proposed ways to overcome it.Materials and methods.
O. A. Panova   +3 more
doaj   +1 more source

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