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Общее количество найденных документов : 18
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 1-10    11-18 
1.
Инвентарный номер: нет.
   
   F 94


   
    From 3-chloromethyl-1,2,4-triazine 4-oxides to various substituted pyridines and 1,2,4-triazines [Electronic resource] / V. N. Kozhevnikov, D. N. Kozhevnikov, O. V. Shabunina, N. N. Kataeva, S. A. Yushchuk, V. L. Rusinov, O. N. Chupakhin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2005. - Vol. 54, № 9. - P2187-2196. - Библиогр. : с. 2196 (24 назв.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: An efficient strategy for the synthesis of new pyridine and 1,2,4-triazine derivatives starting from available 6-aryl-3-chloromethyl-1,2,4-triazine 4-oxides was proposed. The deoxygenative nucleophilic hydrogen substitution in the triazine-oxide ring, nucleophilic substitution of the chlorine atom in the side chain, and transformations of the 1,2,4-triazine ring into the pyridine ring via the inverse-electron-demand Diels-Alder reactions, being used in different orders, are a rather flexible tool for the functionalization of the titled heterocycles. The cyanide anion, indoles, thiophenols, amines, and triphenylphosphine were used as nucleophiles. The direct introduction of indole residues into the 1,2,4-triazine ring followed by the substitution of the chlorine atom by a residue of the primary or secondary aliphatic amine was found to be the most convenient method for the library synthesis.

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2005, 54 (9), 2187-2196.pdf
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2.
Инвентарный номер: нет.
   
   T 82


   
    Transformations of 8-substituted tetrazolo[1,5-a]pyrazines [Electronic resource] / P. A. Slepukhin, G. L. Rusinov, S. Dedeneva, V. N. Charushin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2007. - Vol. 56, № 2. - P345-350
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The reactions of 8-chlorotetrazolo[1,5-a]pyrazine with N-, O-, and S-nucleophiles involve the ipso substitution of the chlorine atom. Heating of this compound with benzotriazole or phenyltetrazole results in elimination of the nitrogen molecule from one of the tetrazole rings to form new annelated azapentalenes

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2007, 56 (2), 345.pdf
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3.
Инвентарный номер: нет.
   
   R 30


   
    Reaction of dinitropolychlorobiphenyls with O- and N-nucleophiles as a new route of reprocessing polychlorobiphenyls [Electronic resource] / T. I. Gorbunova, A. Ya. Zapevalov, V. I. Saloutin, O. N. Chupakhin // Russian Journal of Applied Chemistry. - 2002. - Vol. 75, № 3. - P449-451. - Bibliogr. : p. 451 (11 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
AROMATIC COMPOUND -- DINITROPOLYCHLOROBIPHENYLS -- POLYCHLOROBIPHENYLS -- CHLORINE -- UNCLASSIFIED DRUG
Аннотация: The reactivity of a mixture of dinitropolychlorobiphenyls in nucleophilic substitution of aromatic chlorine by polyethyleneoxy and amino groups was studied. New polychlorobiphenyl derivatives were obtained.

\\\\Expert2\\nbo\\Russian Journal of Applied Chemistry\\2002, v. 75, N. 3, p.449.pdf
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4.
Инвентарный номер: нет.
   
   R 30


   
    Reactions of polychlorodiphenyls with alcohols [Text] / T. I. Gorbunova, A. Ya. Zapevalov, V. E. Kirichenko, V. I. Saloutin, O. N. Chupakhin // Russian Journal of Applied Chemistry. - 2000. - Vol. 73, № 4. - P650-654. - Bibliogr. : p. 654 (12 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ALCOHOL -- BIPHENYL -- POLYCHLORINATED BIPHENYL -- ALKOXY GROUPS
Аннотация: Procedures are proposed for chemical treatment of commercial polychlorodiphenyls through nucleophilic substitution of two chlorine atoms by various alkoxy groups.

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5.
Инвентарный номер: нет.
   
   C 53


   
    Chloromethyl-, dichloromethyl-, and trichloromethyl-1,2,4-triazines and their 4-oxides: method for the synthesis and tele-substitution reactions with C-nucleophiles [Electronic resource] / D. N. Kozhevnikov, N. N. Kataeva, V. L. Rusinov, O. N. Chupakhin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2004. - Vol. 53, № 6. - P1295-1300
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: A simple procedure was developed for the synthesis of 1,2,4-triazines and their 4-oxides containing the ClCH2, Cl2CH, or CCl3 group at position 3 by cyclization of 2-aryl-2-hydrazono-1-oximinoethanes with the corresponding chloroacetonitriles. The reaction pathway depends on the number of halogen atoms in the acetonitrile used. The reactions with trichloroacetonitrile, monochloroacetonitrile, and dichloroacetonitrile afford 3-trichloromethyl-1,2,4-triazines, 3-chloromethyl-1,2,4-triazine 4-oxides, and a mixture of the corresponding dichloromethyltriazines and their 4-oxides, respectively. The reactions of 3-trichloromethyl-1,2,4-triazines with indoles and phenols are accompanied by tele-substitution with elimination of halogen from the trichloromethyl group to give 5-indolyl- (or 5-hydroxyphenyl)-3-dichloromethyl-1,2,4-triazines

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2004, 53 (6), 1295-1300.pdf
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6.
Инвентарный номер: нет.
   
   S 67


    Slepukhin, P. A.
    Structural study of the CoCl2 complex with 8(-2-butylthioethyl)oxyquinoline [Electronic resource] / P. A. Slepukhin, D. G. Kim, V. N. Charushin // Russian Journal of Coordination Chemistry. - 2010. - Vol. 36, № 8. - P615-617
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Complex [CoCl(L)]2(Cl)2 (L = 8-(2-butylthioethyl)oxyquinoline) is studied by X-ray diffraction analysis. The empirical formula of the compound is C30H34Cl4Co2N2O2S2, the crystals are monoclinic, a = 9.9382(13) A, b = 11.9097(8) A, c = 14.5715(11) A = 102.511(9)°, Z = 2, space group P21/c. The complex is dimeric with bridging chlorine atoms, and the heterocyclic ligand L is tridentate-cyclic

\\\\Expert2\\nbo\\Russian Journal of Coordination Chemistry\\2010, v. 36, N. 8, p.615.pdf
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7.
Инвентарный номер: нет.
   
   R 45


   
    Research into the Possibility of Converting HCL to Molecular Chlorine with the Use of a Nanosecond Electron Beam [Text] / M. E. Balezin, I. A. Buldakov, S. Yu. Sokovnin, V. A. Simakina, I. Puzyrev, Yu. G. Yatluk // 15th International Symposium on Hight-Current Electronics : Proceedings . - Tomsk, 2008. - P512-514. - Bibliogr. : p. 514 (18 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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8.
Инвентарный номер: нет.
   
   O-97


   
    Oxidation of polyfunctional sulfides with chlorine dioxide [Electronic resource] / I. P. Loginova, K. S. Rodygin, S. A. Rubtsova, P. A. Slepukhin, A. V. Kuchin, V. A. Polukeev // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2011. - Vol. 47, № 1. - P124-130 : рис., табл. - Bibliogr. : p. 129-130 (24 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: 3-Benzylsulfanyl-4,5-diphenyl-4H-1,2,4-triazole, 5-methylsulfanyl-1-phenyl-1H-tetrazole, 2-methylsulfanyl-1H-benzimidazole, 2-benzylsulfanyl-1H-benzimidazole, and 1-butylsulfanyl-4-nitrobenzene were oxidized to the corresponding sulfoxides with chlorine dioxide using different modes of oxidant supply. The oxidation process was characterized by high chemoselectivity

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2011, 47 (1), 124-130.pdf
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9.
Инвентарный номер: нет.
   
   O-97


   
    Oxidation of 1-methyl-1H-imidazole-2-thiol with chlorine dioxide [] / O. M. Lezina, S. A. Rubtsova, D. V. Belykh, P. A. Slepukhin, A. V. Kutchin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2013. - Vol.49, №1. - С. 112-118
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
CHLORINE DIOXIDE -- OXIDATION CONDITIONS -- IMIDAZOLIUM CHLORIDE
Аннотация: Oxidation of 1-methyl-1H-imidazole-2-thiol with chlorine dioxide was performed for the first time, and the results were shown to depend on the oxidation conditions. Optimal conditions were found for the preparation of 1-methylimidazole-2-sulfonic acid, 2,2′-disulfanediylbis(1-methylimidazole) hydrochlorite, and 1-methyl-3-sulfo-3H-imidazolium chloride. A new salt, 4-methylanilinium 1-methyl-1H-imidazole-2-sulfonate, was isolated

\\\\Expert2\\NBO\\Russian Journal of Organic Chemistry\\2013, 49, (1), 112-118.pdf
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10.
Инвентарный номер: нет.
   
   P 80


   
    Polychlorinated biphenyls: Correlation between experimental data and quantum-chemical simulation / T. I. Gorbunova, J. O. Subbotina, V. I. Saloutin, O. N. Chupakhin // Russian Journal of General Chemistry. - 2014. - Vol.84, №3. - С. 486-495. - Bibliogr. : p. 494-495 (43 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
POLYCHLORINATED BIPHENYLS -- SOVOL MIXTURE -- NUCLEOPHILIC SUBSTITUTION
Аннотация: In order to comprehend the data on reactivity of polychlorinated biphenyls of the Sovol mixture in nucleophilic substitution reactions we have performed quantum-chemical simulation using the RB3LYP\6-31G(d) gas phase approximation. Using the "Atoms-in-Molecules" approach, we have computed charges on the biphenyl carbon atoms adjacent to chlorine; furthermore, absolute chemical hardness and global electrophilicity index have been determined for the studied chlorobiphenyls. The calculated descriptors have been correlated with experimentally determined reactivity of the biphenyls in the hard acid-hard base nucleophilic reactions. The higher reactivity of more chlorinated substrates has been confirmed

\\\\expert2\\nbo\\Russian Journal of General Chemistry\\2014, V. 84, N 3, p. 486–495.pdf
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