Центральная Научная Библиотека УрО РАН

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   R 30


    Reaction of 1,1,2,3,3-pentafluoro-1,5-hexadiene [Electronic resource] / T. I. Gorbunova, A. Ya. Zapevalov, V. I. Saloutin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 1995. - Vol.44, N8. - P1470-1473

ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Interaction of 1,1,2,3,3-pentafluoro-1,5-hexadiene with Br-2: in a MeCOOH medium results in the product of selective bromination of the hydrocarbon double bond, 5,6-dibromo-1,1,2,3,3-pentafluoro-1-hexane.

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\1995, 44 (8), 1470.pdf
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   C 98


    Cyclopropanation of N-substituted 3-aryl-2-cyanoprop-2-enamides and derivatives of 5,5-Dimethyl-2-oxo-2,5-dihydrofuran-3-carboxylic acid and 2-oxochromene-3-carboxylic acid with bromine-containing zinc enolates [Electronic resource] / V. V. Shchepin, P. S. Silaichev, Yu. G. Stepanyan, M. M. Kalyuzhnyi, N. Yu. Russkikh, M. I. Kodess // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2006. - Vol. 42, № 7. - P973-980

ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Zinc enolates derived from 1-aryl-2,2-dibromoalkanones react with N-substituted 3-aryl-2-cyanoprop-2-enamides and 5,5-dimethyl-2-oxo-2,5-dihydrofuran-3-carboxylic and 2-oxochromene-3-carboxylic acid derivatives to give, respectively, N-substituted 2-alkyl-3-aryl-2-aroyl-1-cyanocyclopropane-1-carboxamides, 6-(4-bromobenzoyl)-4,4,6-trimethyl-2-oxo-3-oxabicyclo[3.1.0]hexane-1-carboxylic acid ethyl ester and morpholide, and 1-alkyl-1-aroyl-2-oxo-1a,7b-dihydrocyclopropla[c]chromene-1a-carboxylic acids as a single geometric isomer. Treatment of 1-alkyl-1-aroyl-2-oxo-1a,7b-dihydrocyclopropa[c]chromene-1a-carboxylic acids with carboxylic acid anhydrides leads to the formation of the corresponding 9c-alkyl-1-aryl-3,4-dioxo-9b,9c-dihydro-2,5-dioxacyclopenta[2,3]cyclopropa[1,2-a]naphthalen-1-yl carboxylates

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2006, 42 (7), 973.pdf
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   R 30


    Reaction of 3,4-Dioxohexane-1,6-dioic Acid Esters with 2,4-Dinitrophenylhydrazine [Electronic resource] / P. P. Mukovoz, V. O. Kozminykh, P. A. Slepukhin, I. N. Ganebnuikh, O. S. Eltsov, A. V. Gorbunova, E. N. Kozminykh // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2016. - Vol. 52, № 5. - С. 636-643

ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
NMR SPECTRA -- X-RAY DIFFRACTION -- 2,4-DINITROPHENYLHYDRAZINE
Аннотация: Reaction was studied of 3,4-dihydroxyhexa-2,4-diene-1,6-dioic acid esters with 2,4-dinitrophenylhydrazine that led to the formation of esters of (3E)-3-[2-(2,4-dinitrophenyl)-hydrazinylidene]-4-oxohexane-1,6-dioic and (3E,4E)-3,4-bis[2-(2,4-dinitrophenyl)hydrazinylidene]-hexane-1,6-dioic acids. The structural features of compounds synthesized were established from the data of IR and NMR spectra and X-ray diffraction (XRD) analysis.

\\\\expert2\\NBO\\Russian Journal of Organic Chemistry\\2016, 52,(5), 636-643.pdf
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   E 27


    Effect of polarity of solvent on silanization of halloysite nanoclay using (3-glycidyloxy propyl) trimethoxy silane / A. M. Abu el-Soad, A. V. Pestov, N. A. Martemyanov [et al.] // Journal of inorganic and organometallic polymers and materials. - 2021. - № 31. - P2569–2578

ББК Г
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The grafting of silane groups on clay surfaces has been recently investigated in order to fabricate versatile compounds with new potential applications in materials science and ecological engineering. This work explored the influence of variety of solvents with variable polarity on the silanization of halloysite nanoclay (HNT) surface by (3-Glycidyloxy propyl) trimethoxy silane. To this purpose, the functionalization of HNT by 3-Glycidyloxypropyltrimethoxysilane (GOPTMS) has been conducted in Ethanol (polar protic solvent), Tetrahydrofuran (THF) and Acetonitrile (polar aprotic solvents), and Hexane, 1,4-Dioxane and Toluene (non polar solvents). The silane grafted materials were characterized by using several techniques, including Fourier Transform Infrared Spectroscopy (FT-IR), elemental analysis, Scanning Electron Microscopy (SEM), Thermogravimetry (TGA), X-ray Diffraction Analysis (XRD) and Nitrogen adsorption/desorption isotherms. The largest silane loading has been detected for the hybrid nanomaterials prepared in Hexane as a dispersing medium.

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