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 Найдено в других БД:Публикации Чарушина В.Н. (12)
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 1-20    21-27 
1.
Инвентарный номер: нет.
   
   A 18


   
    Acidic hydrolysis of N-acyl-1-substituted 3-amino-1,2-dicarba-closo-dodecaboranes [Electronic resource] / G. L. Levit, A. M. Demin, M. I. Kodess, M. A. Ezhikova, L. Sh. Sadretdinova, V. A. Ol'shevskaya, V. N. Kalinin, V. P. Krasnov, V. N. Charushin // Journal of Organometallic Chemistry. - 2005. - Vol. 690, № 11. - P2783-2786
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Acidic hydrolysis of N-acyl 1-methyl- and 1-phenyl-3-amino-1,2-dicarba-closo-dodecaboranes has been studied. It has been shown that acidic hydrolysis of diastereomeric amides of 1-methyl-3-amino-1,2-dicarba-closo-dodecaborane results in the partial racemization of the target 3-amino-1-methylcarborane. Under the similar conditions, the hydrolysis of N-acyl-3-amino-1-phenyl-1,2-dicarba-closo-dodecaboranes resulted in amide bond cleavage accompanied by simultaneous deboronation with the removal of boron atom at position 6 of carborane cage and formation of 7,8-dicarba-nido-undecaborane derivative according to 11B and 1H NMR spectroscopy.

\\\\Expert2\\nbo\\Journal of Organometallic Chemistry\\2005, v. 690, p.2783.pdf
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2.
Инвентарный номер: нет.
   
   K 46


   
    Kinetic resolution of 1-methyl- and 1-phenyl-3-amino-1,2-dicarba-closo-dodecaboranes via acylation with chiral acyl chlorides [Electronic resource] / G. L. Levit, V. P. Krasnov, A. M. Demin, M. I. Kodess, L. Sh. Sadretdinova, T. V. Matveeva, V. A. Ol'shevskaya, V. N. Kalinin, O. N. Chupakhin, V. N. Charushin // Mendeleev Communications. - 2004. - Vol. 14, № 6. - P293-295
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: A study of the kinetic resolution of racemic 1-substituted 3-amino-1,2-dicarba-closo-dodecaboranes by chiral acyl chlorides has shown that N-tosyl-(S)-prolyl and N-phthaloyl-(S)-alaninyl chlorides are more efficient resolving agents than (S)-naproxen chloride.

\\\\Expert2\\nbo\\Mendeleev Communications\\2004, v.14, p.293.pdf
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3.
Инвентарный номер: нет.
   
   E 27


   
    Efficient large (ca. 40 g) laboratory scale preparation of (S)- and (R)-valine tert-butyl esters [Text] / V. P. Krasnov, G. L. Levit, I. M. Bukrina, A. M. Demin, O. N. Chupakhin, Ji Uk Yoo // Tetrahedron: Asymmetry . - 2002. - Vol. 13, № 17. - P1911-1914
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: A large laboratory scale (ca. 40 g) method for the preparation of enantiomerically pure (S)- and (R)-valine tert-butyl esters has been developed. The method involves three steps: preparation of N-TFA-valines, preparation of valine tert-butyl esters using 2-methylpropene in dioxane in the presence of sulfuric acid, and isolation of the target compounds as the acetate derivative. The overall yield is up to 70% relative to the starting valine, ee being more than 98% (by HPLC)????

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4.
Инвентарный номер: нет.
   


   
    1H NMR evidence for 5(4H)-oxazolones formation and racemization [Text] : доклад, тезисы доклада / O. N. Chupakhin, V. P. Krasnov, A. M. Demin, G. L. Levit, M. I. Kodess // XXth European Colloquium on Heterocyclic Chemistry, Stockholm,Sweden, 18-21 Aug. 2002 г. - Stockholm, 2002. - C:2
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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5.
Инвентарный номер: нет.
   
   D 47


   
    Determination of enantiomeric purity of 1-substituted 3-amino-1,2-dicarba-closo-dodecaboranes by HPLC on chiral stationary phases [Electronic resource] / V. P. Krasnov, A. M. Demin, G. L. Levit, L. Sh. Sadretdinova, A. N. Grishakov, V. N. Charushin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2008. - Vol. 57, № 12. - P2535-2539
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: A determination of enantiomeric purity of 1-substituted (Me, Ph, and Pri) 3-amino-1,2dicarba-closo-dodecaboranes by HPLC on chiral Chiralcel OD-H and Chiralpac AD stationary phases involving preliminary phthaloylation of 3-aminocarboranes has been suggested as a general method

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2008, 57 (12), 2535.pdf
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6.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis of N-[(3-Amino-1,2-dicarba-closo-dodecaboran-1-yl)acetyl] Derivatives of alfa-Amino Acids [Text] / G. L. Levit, V. P. Krasnov, D. A. Gruzdev, A. M. Demin, I. V. Bazhov, O. N. Chupakhin, V. N. Charushin // Collection of Czechoslovak Chemical Communications. - 2007. - Vol. 72, № 12. - P1697-1706
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The N-[(3-amino-1,2-dicarba-closo-dodecaboran-1-yl)acetyl] derivatives of amino acids were prepared starting from N-protected (Ac, Form, Bz, and Boc) 3-amino-1-(carboxymethyl)-o-carboranes and alkyl esters of natural amino acids using the carbodiimide method of coupling and removing the ester groups. All the amides obtained were diastereoisomeric mixtures. Some diastereoisomers were separated and the assignment of the absolute configuration of aminocarborane fragments was performed by X-ray crystallography

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7.
Инвентарный номер: нет.
   
   S 90


   
    Study of the effect of the nature of the side chain in esters of amino acids on the diastereoselectivity of condensation with 5(4H)-oxazolone in the synthesis of dipeptides with N-terminal N-acetylphenylalanine [Electronic resource] / V. P. Krasnov, E. A. Zhdanova, N. Z. Solieva, L. Sh. Sadretdinova, I. M. Bukrina, A. M. Demin, G. L. Levit, M. A. Ezhikova, M. I. Kodess // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2004. - Vol. 53, № 6. - P1331-1334
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Conditions for fast racemization of 5(4H)-oxazolones prepared from N-acylphenylalanine were found. Reactions of 4-benzyl-2-methyl-5(4H)-oxazolone with amino acid esters proceed diastereoselectively to give predominantly dipeptides comprising R-phenylalanine. The diastereoselectivity increases with complication of the structure of the side chain in the amino acid esters

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2004, 53 (6), 1331.pdf
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8.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis of novel carboranyl derivatives of alfa-amino acids [Electronic resource] / D. A. Gruzdev, G. L. Levit, I. V. Bazhov, A. M. Demin, L. Sh. Sadretdinova, V. A. Ol'shevskaya, V. N. Kalinin, V. P. Krasnov, O. N. Chupakhin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2010. - Vol. 59, № 1. - P110-115. - Bibliogr. : p. 115 (28 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
CARBORANES -- AMINO ACIDS -- AMIDES
Аннотация: New routes to closo-carboranyl derivatives of L-lysine and L-glutamic acid with free gA-NH2 groups were proposed

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2010, 59 (1), 110-115.pdf
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9.
Инвентарный номер: нет.
   
   S 48


   
    Separation of racemic 1-substituted 3-amino-1,2-dicarba-closo-dodecarboranes by chiral HPLC [Text] : доклад, тезисы доклада / A. M. Demin, A. N. Grishakov, G. L. Levit, V. A. Ol'shevskaya, V. N. Kalinin, V. P. Krasnov // EuroBoron 5, Edinburgh, UK, 29 august - 2 september 2010, Heriot-Watt University : abstr. . - Edinburgh, UK , 2010. - 85 (FP7)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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10.
Инвентарный номер: нет.
   
   D 47


   
    Determination of enantiomeric purity of 1-substituted 3-amino-1,2-dicarba-closo-dodecarboranes by HPLC on chiral stationary phases [Text] : доклад, тезисы доклада / A. M. Demin, G. L. Levit, A. N. Grishakov, L. Sh. Sadretdinova, V. A. Ol'shevskaya, V. N. Kalinin, V. P. Krasnov // Euroboron 4, Bremen, Germany, 2-6 Sept. 2007 : abstr. . - Bremen, Germany, 2007. - 128 (47PO). - Bibliogr. : p. 128 (2 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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11.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis of amides and N-acyl derivatives of 3-amino-1-carboxymetil-1,2-dicarba-closo-dodecarborane [Text] : доклад, тезисы доклада / G. L. Levit, V. P. Krasnov, D. A. Gruzdev, A. M. Demin, I. V. Bazhov, V. A. Ol'shevskaya, V. N. Kalinin, O. N. Chupakhin, V. N. Charushin // Euroboron 4, Bremen, Germany, 2-6 Sept. 2007 : abstr. . - Bremen, Germany, 2007. - 137 (56PO). - Bibliogr. : p. 137 (1 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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12.
Инвентарный номер: нет.
   
   K 46


   
    Kinetic resolution of 1-substituted 3-amino-1,2-dicarba-closo-dodecarboranes [Text] : доклад, тезисы доклада / V. P. Krasnov, G. L. Levit, A. M. Demin, M. I. Kodess, V. A. Ol'shevskaya, V. N. Kalinin, V. N. Charushin, O. N. Chupakhin // Euroboron 3, The 3rd European Meeting on Boron Chemistry, Pruhonice-by-Prague, Czech Republic, 12-16 Sept. 2004 : abstr. . - Pruhonice-by-Prague, Czech Republic, 2004. - P38
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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13.
Инвентарный номер: нет.
   
   H 99


   
    Hydrolysis of 1-methyl- and 1-phenyl-3-amino-1,2-dicarba-closo-dodecarborane amides [Text] : доклад, тезисы доклада / G. L. Levit, A. M. Demin, M. I. Kodess, M. A. Ezhikova, L. Sh. Sadretdinova, V. A. Ol'shevskaya, V. N. Kalinin, V. P. Krasnov, V. N. Charushin // Euroboron 3, The 3rd European Meeting on Boron Chemistry, Pruhonice-by-Prague, Czech Republic, 12-16 Sept. 2004 : abstr. . - Pruhonice-by-Prague, Czech Republic, 2004. - P39
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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14.
Инвентарный номер: нет.
   
   D 38


    Demin, A. M.
    Covalent surface modification of Fe3O4 magnetic nanoparticles with alkoxy silanes and amino acids [Электронный ресурс] / A. M. Demin, V. P. Krasnov, V. N. Charushin // Mendeleev Communications. - 2013. - Vol.23, №1. - P14-16
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
Fe3O4 -- MAGNETIC NANOPARTICLES -- ALKOXY SILANES
Аннотация: (3-Aminopropyl)silane-modified magnetic nanoparticles containing ε-aminocaproic acid and l-lysine fragments with free functional groups were obtained by the surface modification of Fe3O4 with alkoxysilane derivatives

\\\\Expert2\\NBO\\Mendeleev Communications\\2013, v.23, p. 14.pdf
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15.
Инвентарный номер: нет.
   
   F 97


   
    Functionalization of Fe3O4 magnetic nanoparticles with RGD peptide derivatives [Electronic resource] / A. M. Demin, A. Yu. Vigorov, I. A. Nizova, M. A. Uimin, N. N. Shchegoleva, A. E. Ermakov, V. P. Krasnov, V. N. Charushin // Mendeleev Communications. - 2014. - Vol.24, №1. - С. 20-22. - Bibliogr. : p. 22 (16 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
RGD PEPTIDE -- GLUTARIC ACID MOIETY -- MAGNETIC NANOPARTICLES
Аннотация: Derivatives of RGD peptide, such as Nω-Pbf-l-Arg-Gly-l- Asp(OAlk)2 (Alk = Me or But), which contain glutaric acid moiety as a linker, were synthesized and immobilized to Fe3O 4 magnetic nanoparticles obtained by gas condensation method

\\\\expert2\\nbo\\Mendeleev Communications\\2014, v.24, p. 20.pdf
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16.
Инвентарный номер: нет.
   
   N 89


   
    Novel synthetic routes to N-(2-amino-9H-purin-6-yl)-substituted amino acids [Electronic resource] / A. Yu. Vigorov, V. P. Krasnov, D. A. Gruzdev, A. A. Men'shikova, A. M. Demin, G. L. Levit, V. N. Charushin // Mendeleev Communications. - 2014. - Vol.24, №1. - С. 35-36. - Bibliogr. : p. 36 (22 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
2-AMINOPURINES -- 2-AMINO-6-CHLOROPURINE -- AMINO ACIDS
Аннотация: Reaction of N2-protected 2-amino-6-chloropurine with tert-butyl (S)-phenylalaninate, (R)- and (S)-valinates followed by deprotection affords 2-aminopurines bearing at 6-position the corresponding amino acid moieties, whose chiral centre is partially racemized

\\\\expert2\\nbo\\Mendeleev Communications\\2014, v.24, p. 35.pdf
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17.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis of derivatives of the RGD peptide with the residues of glutaric and adipic acids [Electronic resource] / A. Yu. Vigorov, I. A. Nizova, V. P. Krasnov, A. M. Demin // Russian Journal of Bioorganic Chemistry. - 2014. - Vol.40, №2. - С. 142-150. - Bibliogr. : p. 149-150 (42 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
AMINO ACIDS -- PEPTIDE SYNTHESIS -- RACEMIZATION
Аннотация: Derivatives of the RGD peptide were prepared by the attachment of the residues of glutaric and adipinic acids to the α-amino group of L-arginine. This modification allowed condensation of these derivatives with other biomolecules or nanoparticles

\\\\expert2\\nbo\\Russian Journal of Bioorganic Chemistry\\2014, v.40, N 2, p.142-150.pdf
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18.
Инвентарный номер: нет.
   
   H 53


   
    Hemozoin “knobs” in Opisthorchis felineus infected liver / A. G. Pershina, I. V. Saltykova, V. V. Ivanov, A. M. Demin, I. I. Buzueva, I. N. Ganebnuikh, V. P. Krasnov, L. M. Ogorodova // Parasites & Vectors. - 2015. - Vol. 8. - С. 459
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
OPISTHORCHIS FELINEUS -- KNOBS -- HEMOZOIN

\\\\expert2\\NBO\\Parasites and Vectors\\2015.8.459.pdf
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19.
Инвентарный номер: нет.
   
   I-55


   
    Immobilization of pmida on Fe3O4 magnetic nanoparticles surface: mechanism of bonding / A. M. Demin, A. V. Mekhaev, V. P. Krasnov, A. A. Esin, D. K. Kuznetsov, P. S. Zelenovskiy, Y. Y. Shur // Applied surface science. - 2018. - V 440. - С. 1196-1203
ББК 24
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
FTIR -- MAGNETIC NANOPARTICLES -- MECHANISM OF IMMOBILIZATION -- PMIDA -- TGA -- XPS
Аннотация: The mechanism of N-phosphonomethyl iminodiacetic acid (PMIDA) binding with the Fe3O4 magnetic nanoparticle (MNPs) surface by Fourier transformed infrared spectroscopy, X-ray photoelectron spectroscopy and thermogravimetry was comprehensive studied. To study of microstructure, size and core structure of synthesized nanoparticles the scanning electron microscopy, X-ray diffraction analysis and Raman spectroscopy were carried out. A new scheme for the tridentate bonding of the phosphonomethyl derivative with surface Fe atoms involving unequal P–O–Fe bonds was proposed. The mechanism of thermal decomposition of PMIDA molecules on the MNP surface was studied using a thermogravimetric analyzer combined with infrared spectrometer. It was shown for the first time that during the thermal treatment of phosphonomethyl-modified MNPs, PMIDA molecules are not desorbed from the surface of MNPs but gradually decompose. We believe that obtained in this work data will be useful for a deeper understanding of the mechanisms of phosphonic acid derivatives interaction with MNPs, as well as in the design of new biomedical materials, in which the conjugation of biomolecules with carboxyl groups of PMIDA-modified MNPs is assumed.

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20.
Инвентарный номер: нет.
   


   
    Silica coating of Fe3O4 magnetic nanoparticles with pmida assistance to increase the surface area and enhance peptide immobilization efficiency / A. M. Demin, A. I. Maksimovskikh, A. V. Mekhaev [и др.] // Ceramics international. - 2021. - № б/н. - P1-6
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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 1-20    21-27 
 

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