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Общее количество найденных документов : 104
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1.
Инвентарный номер: нет.
   
   N 71


   
    Nitroalkyl-substituted tetrahydropyrazines in syntheses of azapolycyclic compounds [Electronic resource] / P. A. Slepukhin, N. N. Mochul`skaya, L. P. Sidorova, G. L. Rusinov, M. A. Ezhikova, M. I. Kodess, O. N. Kazheva, A. N. Chekhlov, O. A. Dyachenko, V. N. Charushin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2005. - Vol. 54, № 9. - P2197-2203. - Библиогр. : с. 2203 (13 назв. )
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Tri-and tetracyclic compounds were synthesized by the cyclization of 6-alkoxy-2,3-dicyano-5-nitromethyl-1,4,5,6-tetrahydropyrazines with 1,2,3-triazinium and quinoxalinium cations.

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2005, 54 (9), 2197-2203.pdf
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2.
Инвентарный номер: нет.
   
   C 51


   
    Chemistry of O- and C-adducts derived from 1,4-diazinium salts: the use of tetrahydropyrazines in the synthesis of condensed systems [Electronic resource] / G. L. Rusinov, P. A. Slepukhin, V. N. Charushin, O. A. Dyachenko, O. N. Kazheva, A. N. Chekhlov, E. V. Verbitskiy, M. I. Kodess, O. N. Chupakhin // Mendeleev Communications. - 2006. - Vol. 16, № 1. - P26-29
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: 1-Ethyl-2,3-dicyano-5-nitromethyl-6-methoxy-1,4,5,6-tetrahydropyrazine reacts with N-methylquinoxalinium iodide in the presence of triethylamine to form octahydro-2,4a,5,10-tetraazabenzo[b]fluorene-3,4-dicarbonitrile, while our attempts to obtain similar polycyclic products from stereoisomeric 5-(S)- and 5-(R)-(1`-nitroprop-1`-yl)-6-methoxy-1,4,5,6-tetrahydropyrazines derived from the reaction of 1-nitropropane with 2,3-dicyano-5,6-dimethoxy-1-ethyl-1,4,5,6-tetrahydropyrazine.

\\\\Expert2\\nbo\\Mendeleev Communications\\2006, v.1, p.26.pdf
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3.
Инвентарный номер: нет.
   


   
    2,3-Dichloro-1-alkylpyrazinium tetrafluoroborates: the synthesis and reactions with nucleophiles [Electronic resource] / G. L. Rusinov, P. A. Slepukhin, V. N. Charushin, O. N. Chupakhin // Mendeleev Communications. - 2001. - Vol. 11, № 2. - P78-80
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The alkylation of 2,3-dichloropyrazine with the Meerwein reagents afforded 1-alkyl-2,3-dichloropyrazinium tetrafluoroborates, which were transformed into mono.mono- or disubstitution products, while the reaction of these salts with 1,4-N,Xdinucleophiles resulted in fused heterocyclic systems

\\\\expert2\\nbo\\Mendeleev Communications\\2001, v.11, N 2. p.78.pdf
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4.
Инвентарный номер: нет.
   
   R 30


   
    Reactions of radicals generated from 1-ethyl-1,4-diazinium salts: Addition to the C-C triple bond versus dimerization [Text] / G. L. Rusinov, E. V. Verbitskiy, P. A. Slepukhin, O. N. Zabelina, M. I. Kodess, M. A. Ezhikova, V. N. Charushin, O. N. Chupakhin // Heterocycles. - 2009. - Vol. 78, № 9. - P2315-2324
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Radical species generated from 5-aryl-substituted 1-ethyl-2,3-dicyano-1,4-diazinium salts by action of sodium iodide undergo dimerization into [2,2?]bipyrazinyl derivatives, as evidenced by NMR and X-ray crystallography data. The pyrazinyl radicals can also be involved into the addition reaction on the C-C triple bond, thus demonstrating a new synthetic route to modify the structure of pyrazines. The structures of E- and Z-isomers of 1-(1?,2?-dihydropyrazinyl-2?)-2-iodoethenes have been proved by 1H and 13C NMR spectroscopy and X-ray analysis

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5.
Инвентарный номер: нет.
   
   N 52


   
    New podandes and crown ethers nodified with the fragments of fluorinated pyrazolines [Text] : доклад, тезисы доклада / V. I. Filyakova, E. B. Letova, N. S. Boltacheva, P. A. Slepukhin, V. N. Charushin // 15th European symposium on fluorine chemistry, Prague, Czech Republic, July 15-20, 2007 : abstr. - 2007. - P202
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
FLUORINATED PYRAZOLINES

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6.
Инвентарный номер: нет.
   
   F 52


    Filyakova, V. I.
    Unusual transformation of trifluoroacetylacetone [Text] : доклад, тезисы доклада / V. I. Filyakova, P. A. Slepukhin, V. N. Charushin // 15th European symposium on fluorine chemistry, Prague, Czech Republic, July 15-20, 2007 : abstr. - 2007. - P203
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
TRIFLUOROACETYLACETONE

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7.
Инвентарный номер: нет.
   
   F 70


   
    Fluorine-containing heterocycles. XVII. (Tetrafluorobrnzoyl)thioureas in the synthesis of fluorine-containing azaheterocycles [Electronic resource] / G. N. Lipunova, E. V. Nosova, A. A. Laeva, T. V. Trashakhova, P. A. Slepukhin, V. N. Charushin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2008. - Vol. 44, № 5. - P741-749
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Proceeding from (tetrafluorobenzoyl)thioureas fluorine-containing derivatives were synthesized of 1-aryl-2-ethylthioquinazolin-4-one, [1,3]benzothiazin-4-one, and also of thiazolidine and 1H-1,2,4-triazole

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2008, 44 (5), 741.pdf
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8.
Инвентарный номер: нет.
   
   S 83


   
    Stereochemical features of addition of O- and C-nucleophiles to 5-(Het)aryl-2,3-dicyano-1-ethylpyrazinium salts [Electronic resource] / E. V. Verbitskiy, G. L. Rusinov, P. A. Slepukhin, A. N. Grishakov, M. A. Ezhikova, M. I. Kodess, V. N. Charushin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2008. - Vol. 44, № 2. - P302-310
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Stable delta(H)-adducts of O- and C-nucleophiles were obtained with cations of 5-(het)aryl-2,3-dicyano-1-ethylpyrazinium, and their structure was investigated by X-ray diffraction analysis. Analytical separation was performed of 1,2-dihydropyrazines into individual enantiomers by means of HPLC on columns with chiral sorbents

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2008, 44 (2), 302.pdf
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9.
Инвентарный номер: нет.
   
   M 81


   
    Mono- and diadducts and bicyclic adducts in reactions of 2,3-dicyano-1-ethylpyrazinium cation with C- and O-nucleophiles [Electronic resource] / P. A. Slepukhin, G. L. Rusinov, V. N. Charushin, V. I. Filyakova, N. S. Karpenko, D. B. Krivolapov, I. A. Litvinov // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2004. - Vol. 53, № 6. - P1272-1278
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Products of diaddition of O- and C-nucleophiles to the 2,3-dicyano-1-ethylpyrazinium cation were isolated for the first time. The tandem AN—AN reactions of 2,3-dicyano-1-ethylpyrazinium tetrafluoroborate with 1,3-diketone enolates or keto esters afforded tetrahydrofuro[2,3-b]pyrazine derivatives, whereas cyclization with ethylene glycol gave tetrahydro-1,4-dioxino[2,3-b]pyrazine. Crystallographic data on the three-dimensional structures of these compounds were reported

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2004, 53 (6), 1272.pdf
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10.
Инвентарный номер: нет.
   
   F 56


   
    First example of direct introduction of nucleophiles bearing a stable radical moiety into azaaromatic substrates [Electronic resource] / E. V. Verbitskiy, G. L. Rusinov, P. A. Slepukhin, A. I. Matern, Yu. N. Shvachko, V. N. Charushin, O. N. Chupakhin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2006. - Vol. 55, № 11. - P2114-2116
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Addition products of 4-hydroximino-2,2,6,6-tetramethylpiperidine-1-oxyl with 5-aryl-2,3-dicyano-1-ethylpyrazinium salts were isolated for the first time. Crystallographic data on the three-dimensional structures of ?H-adducts bearing a stable radical moiety were obtaned

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2006, 55 (11), 2114.pdf
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