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Общее количество найденных документов : 117
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 1-10    11-20   21-30   31-40   41-50   51-60      
1.
Инвентарный номер: нет.
   
   S 89


   
    Structure of 5,6,7,8-tetrafluoro-4-hydroxycoumarins [Электронный ресурс] / K. V. Scherbakov, Ya. V. Burgart, M. I. Kodess, V. I. Saloutin // Chemistry of Heterocyclic Compounds. - 2012. - Vol.48, №9. - P1297-1306
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
5,6,7,8-TETRAFLUORO-4-HYDROXYCOUMARIN -- IMINE-ENAMINE TAUTOMERISM -- KETO-ENOL TAUTOMERISM
Аннотация: The structure of 5,6,7,8-tetrafluoro-4-hydroxycoumarin and its 3-substituted derivatives was studied by X-ray structural analysis and IR, 1H, 13C, and 15N NMR spectroscopy. It was established that the nature of the substituent at the position 3 of the coumarin ring has a significant effect on its stru

\\\\Expert2\\NBO\\Chemistry of Heterocyclic Compounds\\2012, v.48, N 9, p.1297-1306.pdf
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2.
Инвентарный номер: нет.
   
   R 30


   
    Reactions of perfluoro(2,3-epoxy-2-methylpentane) with o-phenylenediamine and ethylenediamine [Electronic resource] / T. I. Filyakova, A. Ya. Zapevalov, M. I. Kodess, P. A. Slepukhin, V. I. Saloutin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2013. - Vol.49, №3. - С. 350-355. - Библиогр.: с. 355 (16 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
O-PHENYLENEDIAMINE -- ETHYLENEDIAMINE -- C-N BOND
Аннотация: Perfluoro(2,3-epoxy-2-methylpentane) reacted with o-phenylenediamine and ethylenediamine via cleavage of the C-C bond to produce 2,2,3,3,3-pentafluoro-N-[2-(2,2,2-trifluoro-1-trifluoromethylethylamino)-phenyl]propanamide and 2,2,3,3,3-pentafluoro-N-[2-(2,2,2-trifluoro-1-trifluoromethylethylamino)ethyl]-propanamide, respectively. Presumably, these compounds are formed as a result of rearrangement of intermediate ketone generated by intramolecular haloform-type reaction. According to the NMR and X-ray diffraction data, 2,2,3,3,3-pentafluoro-N-[2-(2,2,2-trifluoro-1-trifluoromethylethylamino)phenyl]propanamide in crystal exists as Z conformer with respect to the amide C-N bond

\\\\expert2\\NBO\\Russian Journal of Organic Chemistry\\2013, 49, (3), 350-355.pdf
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3.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis of poly[N-(2,3-dihydroxypropyl)aminostyrene], a new sorbent for boron(III) ions / D. V. Nesterov, L. S. Molochnikov, M. I. Kodess, E. G. Matochkina, O. V. Koryakova, Yu. G. Yatluk, A. V. Pestov // Russian Journal of Applied Chemistry. - 2013. - Vol.86, №5. - С. 777-781. - Библиогр.: с. 781 (33 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
AMINOSTYRENE -- NITRATION -- GLYCIDOL
Аннотация: A procedure was developed for preparation of poly[N-(2,3-dihydroxypropyl)aminostyrene] via successive stages of nitration, reduction, and glycidol treatment of polystyrene, which gives the polymer with a maximal degree of functionalization. The composition and structure of the intermediates and end products of the polymer-analogous reactions were characterized by elemental analysis, IR spectroscopy, and solid-state 13C NMR spectroscopy. The sorption characteristics of poly[N-(2,3-dihydroxypropyl)aminostyrene] toward boroncontaining ions were assessed

\\\\expert2\\NBO\\Russian Journal of Applied Chemistry\\2013, v. 86, N 5, p.777.pdf
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4.
Инвентарный номер: нет.
   
   T 82


   
    Trans-Dichlorobis{(1R,4S)-1,7,7-trimethyl-3-[(S)-α-methylbenzylimino]bicyclo[2.2.1]heptan-2-one-N}Palladium(II): Synthesis and structural examination [Electronic resource] / O. A. Zalevskaya, O. A. Gur'eva, L. L. Frolova, I. N. Alekseev, P. A. Slepukhin, A. V. Kuchin // Russian Journal of Coordination Chemistry. - 2013. - Vol.39, №1. - P37-40
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
PALLADIUM(II) -- SYNTHESIS -- STRUCTURAL EXAMINATION
Аннотация: A reaction of (1R,4S)-1,7,7-trimethyl-3-[(S)-α-methylbenzylimino]bicyclo[2.2.1]heptan-2-one with lithium tetrachloropalladate gave a chiral palladium(II) complex with monodentate coordination of the organic ligand. The structure of the complex was confirmed by NMR spectra and X-ray diffraction data

\\\\Expert2\\NBO\\Russian Journal of Coordination Chemistry\\2013, v. 39, N. 1, p.37.pdf
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5.
Инвентарный номер: нет.
   


   
    σH-Adducts of 1-alkyl-1,4-diazinium salts as the sources of biradicals in the synthesis of tetraazaphenanthrenes / E. V. Verbitskiy, P. A. Slepukhin, M. A. Ezhikova, M. I. Kodess, Yu. N. Shvachko, D. V. Starichenko, G. L. Rusinov, V. N. Charushin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2011. - Vol.60, №5. - С. 975-980
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
PH-ADDUCTS -- BIRADICALS -- TETRAAZAPHENANTHRENES
Аннотация: O- and C-Adducts of 5-(het)aryl-2,3-dicyano-1-ethylpyrazinium salts are latent sources of biradicals capable of forming tetraazaphenanthrene derivatives via dimerization. The mechanisms of the reactions were examined using ESR spectroscopy. The stereochemistry of the resulting heterocyclic systems was studied by NMR spectroscopy. The crystallographic data on their three-dimensional structures were obtained

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2011, 60 (5), 975-980.pdf
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6.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis of regioisomeric N- and O-alkylated 3-polyfluoroalkyl-1,2-dihydroquinoxalin-2-o / A. E. Ivanova, O. G. Khudina, Ya. V. Burgart, V. I. Saloutin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2011. - Vol.60, №5. - С. 937-941
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
SYNTHESIS -- DIHYDROQUINOXALIN -- POLYFLUOROALKYL
Аннотация: 3-Polyfluoroalkyl-1,2-dihydroquinoxalin-2-ones react with 4-bromobutyl acetate to furnish 1-(4-acetoxybutyl)quinoxalin-2-ones and 2-(4-acetoxybutoxy)quinoxalines in the ratio 2: 1. Deacylation of these compounds under acidic conditions gives the corresponding 1-(4-hydroxybutyl)- and 2-(4-hydroxybutoxy)-substituted quinoxalines. The structures of compounds synthesized were established by X-ray crystallography, IR spectroscopy, 1H and 19F NMR spectroscopy, GLC-MS

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7.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis of novel fluorine- and iodine-containing [1,2,4]triazolo[3,4-b][1,3]thiazines based 3-(alkenylthio)-5-(trifluoromethyl)-4H-1,2,4-triazole-3-thiols [Electronic resource] / E. S. Ilinykh, D. G. Kim, M. I. Kodess, E. G. Matochkina, P. A. Slepukhin // Journal of Fluorine Chemistry. - 2013. - Vol.149. - P24-29
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
SYNTHESIS -- FLUORINE-CONTAINING -- IODIDES
Аннотация: In this paper we report the synthesis of novel S-alkenyl derivatives of 5-(trifluoromethyl)-4H-1,2,4-triazole-3-thiol via alkenation reaction with different alkenyl halides. Reaction between the resulting S-alkenation products and iodine proceeds regiospecifically to give new fused fluorine- and iodine-containing [1,2,4]triazolo[3,4-b][1,3]thiazine heterocyclic systems. The structure of synthesized compounds was confirmed by mass spectra, IR, 1H, 13C and 19F NMR spectroscopy including 2D 1H–13C HSQC, 1H–1H COSY, 1H–13C HMBC correlations, elemental analysis and single-crystal X-ray diffraction study. --------------------------------------------------------------------------------

\\\\Expert2\\NBO\\Journal of Fluorine Chemistry\\2013, v. 149, p.24.pdf
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8.
Инвентарный номер: нет.
   
   I-55


   
    Imidazole-containing chitosan derivative: a new synthetic approach and sorption properties [Electronic resource] / A. V. Pestov, S. YU. Bratskaya, Yu. A. Azarova, Yu. G. Yatluk // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2012. - Vol.61, №10. - С. 1959-1964. - Bibliogr. : p. 1963-1964 (33 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
CHITOSAN -- SORBENT -- GOLD(III)
Аннотация: A novel method for the synthesis of a hetaryl containing chelate amino polymer, namely, N (4(5) imidazolylmethyl)chitosan (IMC), with a degree of substitution up to 0.3 was pro posed. The "synthesis in gel" approach involves direct substitution of the hydroxyl group in 4(5) imidazolylmethanol. The structures of these polymers were confirmed by 1H NMR data. For sorption studies, IMC samples were crosslinked with epichlorohydrin and diglycidyl ethers of ethylene glycol and diethylene glycol. The degrees of swelling and sorption properties of the polymers largely depend on the crosslinking agent and the degree of crosslinking. The sorption capacities of IMC for AuIII, PtIV, and PdII ions are higher than those of the nonmodified polymer. The extraction of noble metal ions from chloride solutions becomes more selective with increasing degree of crosslinking. The sorption capacity of IMC for CoII and NiII ions is higher than those of chitosan and its known N heterocyclic derivatives

\\\\expert2\\NBO\\Russian Chemical Bulletin\\2012, 61 (10), 1959-1964.pdf
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9.
Инвентарный номер: нет.
   
   R 35


   
    Regioselective reaction of ortho-piperidinobenzaldehydes with pyrazolone [Electronic resource] / A. Yu. Platonova, E. V. Deeva, O. A. Zimovets, D. V. Shatunova, O. S. Eltsov, P. A. Slepukhin, T. V. Gluchareva, Yu. Yu. Morzherin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2011. - Vol.60, №5. - С. 961-964. - Bibliogr. : p. 964 (20 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
TERT-AMINO EFFECT -- PYRAZOLONE -- DIASTEREOMERS
Аннотация: Cyclization of 2 (4 R piperidino)benzaldehydes with 5 methyl 2 phenyl 2,4 dihydro 3H pyrazol 3 one proceeding via tert amino effect mechanism is stereoselective. Relative configu ration of (3R*,4aS*,5R*) 2,3,4,4a,5,6 hexahydro 1H benzo[c]quinolizine was established on the base of NMR spectroscopy data and X ray analysis

\\\\expert2\\NBO\\Russian Chemical Bulletin\\2011, 60 (5), 961-964.pdf
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10.
Инвентарный номер: нет.
   
   S 90


   
    Study of oligomeric compounds of Urea-fotmaldehyde concentrate by ESI MS, IR and NMR spectroscopy / S. Y. Men'shikov, I. N. Ganebnuikh, M. S. Valova, L. S. Molochnikov // European Polymer Congress, Pisa, June 16-21 2013 : book of abstracts . - Pisa, Italy, 2013. - P2-107
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
SPECTROSCOPY -- OLIGOMERIZATION PRODUCTS -- NMR SPECTRA

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