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Общее количество найденных документов : 61
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 1-20    21-40   41-61   61-61 
1.
Инвентарный номер: нет.
   
   C 47


    Charushin, V. N.
    Nucleophilic substitutions in 6,7-difluoroquinoxalines [Text] / V. N. Charushin, G. A. Mokrushina, A. V. Tkachev // Journal of Fluorine Chemistry. - 2001. - Vol. 107, № 1. - P71-80. - Bibliogr. : p. 80 (16 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The reactions of 6,7-difluoroquinoxalines with a number of nucleophiles, such as cycloalkylimines, hydrazine, sodium hydroxide and alkoxides have been shown to result in substitution of either one or two fluoro atoms depending on the nature of nucleophiles

\\\\Expert2\\nbo\\Journal of Fluorine Chemistry\\2001.v.107. p. 71.pdf
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2.
Инвентарный номер: нет.
   
   F 98


   
    Fused fluoroquinolones: synthesis and 1H and 19F NMR studies [Text] / V. N. Charushin, E. V. Nosova, G. N. Lipunova, M. I. Kodess // Journal of Fluorine Chemistry. - 2001. - Vol. 110, № 1. - P25-30. - Bibliogr. : p. 30 (19 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: New derivatives of fused fluoroquinolones bearing five aromatic rings have been obtained. The 19F NMR spectra of these pentacyclic fluoroquinolones demonstrate unusual through space 1H–19F and 19F–19F spin–spin interactions with coupling constants 6J(F, H)=2.0–3.0 Hz, 7J(F, F)=3.5–4.0 Hz and 9J(F, H)=3.0–3.5 Hz. Relative reactivities of fluorine atoms in pentacyclic fluoroquinolones in the amino-defluorination reactions are also different relative to bi- and tricyclic fluoroquinolones

\\\\Expert2\\nbo\\Journal of Fluorine Chemistry\\2001.v.110. p. 25.pdf
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3.
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   F 70


   
    Fluoro-containing Heterocycles: VI. New Derivatives of 1,3,4-Thiadiazino[6,5,4-i,j]quinoline [Electronic resource] / E. V. Nosova, G. N. Lipunova, L. P. Sidorova, V. N. Charushin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2001. - Vol. 37, № 8. - P1169-1176
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: A series of new tricyclic fluoroquinolones was prepared by replacing fluorine atoms in derivatives of 2-R-8-Y-7-oxo-9,10-difluoro-7H-1,3,4-thiadiazino[6,5,4-i,j]quinoline-6-carboxylic acids. In acids and esters containing a hydrogen atom in position 8 occurred replacement of F10 by amine rests, and in compounds with a fluorine in position 8 was substituted either F8or F10 and F8depending on the amine character

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2001, 37 (8), 1169.pdf
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4.
Инвентарный номер: нет.
   
   P 99


   
    Pyrido[2,3-b]- and pyrimido[4,5-b]quinoxalines: the first fluorine-containing derivatives [Electronic resource] / V. N. Charushin, S. K. Kotovskaya, N. M. Perova, O. N. Chupakhin // Mendeleev Communications. - 2001. - Vol. 11, № 2. - P54-55
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Fluorinated derivatives of pyrido[2,3-b]- and pyrimido[4,5-b]quinoxalines 5–8 have been prepared through the condensation of 2-amino-3-cyano- and 2-amino-3-aminocarbonyl-substituted 6-fluoro-7-R-quinoxalines 1–4 with dimethyl acetylenedicarboxylate and triethyl orthoformate, respectively??????

\\\\expert2\\nbo\\Mendeleev Communications\\2001, v.11, N 2. p.54.pdf
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5.
Инвентарный номер: нет.
   
   F 70


   
    Fluorine-Containing Heterocycles. VIII. Transformations of 2-Polyfluorobenzoylacrylates Having a Thiosemicarbazide Fragment [Electronic resource] / G. N. Lipunova, E. V. Nosova, L. P. Sidorova, V. N. Charushin, O. M. Chasovskikh, A. V. Tkachev // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2002. - Vol. 38, № 12. - P1790-1796
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Depending on the conditions, 3-(4-R-thiosemicarbazido)-2-polyfluorobenzoylacrylates can be converted into the corresponding potassium salts, [1,3,4]thiadiazino[6,5,4-ij]quinolines, and pyrazole or 1,3,4-thiadiazole derivatives

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2002, 38 (12), 1790.pdf
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6.
Инвентарный номер: нет.
   
   F 70


   
    Fluorine-Containing Heterocycles. VII. Nucleophilic Substitution in 6,7-Difluoroquinoxalines [Electronic resource] / S. K. Kotovskaya, S. A. Romanova, V. N. Charushin, O. N. Chupakhin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2002. - Vol. 38, № 7. - P1046-1052
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: For the purpose of biological screening, a number of new quinoxalines have been synthesized via fluorine replacement in 2,3-disubstituted 6,7-difluoroquinoxaline 1,4-dioxides and their deoxygenated derivatives by reactions with dialkylamines, sodium azide, and sodium methoxide

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2002, 38 (7), 1046.pdf
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7.
Инвентарный номер: нет.
   
   F 70


   
    Fluorocontaining Heterocycles: IX. Derivatives of Imidazo[2,1-b][1,3]benzothiazine [Electronic resource] / G. N. Lipunova, E. V. Nosova, G. A. Mokrushina, E. G. Oglobina, G. G. Aleksandrov, V. N. Charushin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2003. - Vol. 39, № 2. - P248-256
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The heating of derivatives of benzimidazole-2-thione and imidazolidine-2-thione with tetra(penta)fluorobenzoyl chlorides in toluene or pyridine gave rise to fluorocontaining derivatives of imidazo[2,1-b][1,3]benzothiazine. The latter were studied in reactions of nucleophilic substitution of fluorine for amino groups

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2003, 39 (2), 248.pdf
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8.
Инвентарный номер: нет.
   
   F 70


   
    Fluorinated benzimidazo[1,2-a]quinolones [Electronic resource] / G. N. Lipunova, E. V. Nosova, E. B. Vasil'eva, V. N. Charushin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2003. - Vol. 52, № 2. - P457-460
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The reactions of 2-cyanomethylbenzimidazole with polyfluorobenzoyl chlorides afforded 2-(1,3-dihydrobenzimidazol-2-ylidene)-3-oxo-3-polyfluorophenylpropionitriles. Refluxing of the latter compounds in acetonitrile in the presence of DBU or in dimethylformamide in the presence of amines gave rise to fluorine-containing derivatives of benzimidazo[1,2-a]quinolone

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2003, 52 (2), 457.pdf
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9.
Инвентарный номер: нет.
   
   F 70


   
    Fluorine-containing Heterocycles. XI. 5(6)-Fluoro-6(5)-X-benzofuroxans: Synthesis, Tautomerism, and Transformations [Electronic resource] / O. N. Chupakhin, S. K. Kotovskaya, S. A. Romanova, V. N. Charushin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2004. - Vol. 40, № 8. - P1167-1174
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Features of 5(6)-fluoro-6(5)-X-benzofuroxans tautomerism were investigated. By 1H, 13C, and 19F NMR spectroscopy the direction of Boulton-Katritzky rearrangement in nitration, nitrosation, and azo coupling of fluorine-containing furoxanes was determined

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2004, 40 (8), 1167.pdf
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10.
Инвентарный номер: нет.
   
   F 70


   
    Fluorine-containing pyrido[1,2-a]quinazolin-6-ones [Electronic resource] / E. V. Nosova, G. N. Lipunova, M. I. Kodess, E. B. Vasil'eva, V. N. Charushin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2004. - Vol. 53, № 10. - P2314-2318
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Reactions of 2-aminopyridine and 2-amino-5-methylpyridine with 2,3,4,5-tetrafluorobenzoyl chloride afforded N,N’-diaroylpyridinium salts, which were converted into 6H-pyrido[1,2-a]quinazolin-6-ones by refluxing in toluene in the presence of triethylamine. The angular structure of the tricyclic derivatives obtained was confirmed by 19F and 13C NMR spectroscopy and 2D heteronuclear HetCOR and HMBC experiments

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2004, 53 (10), 2314.pdf
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11.
Инвентарный номер: нет.
   


   
    5(6)-Fluoro-6(5)-R-benzofuroxans: synthesis and NMR 1H, 13C and 19F studies [Text] / S. K. Kotovskaya, S. A. Romanova, V. N. Charushin, M. I. Kodess, O. N. Chupakhin // Journal of Fluorine Chemistry. - 2004. - Vol. 125, № 3. - P421-428 : ил. - Библиогр.: с. 428 (14 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
5,6-DIFLUOROBENZOFUROXAN -- NUCLEOPHILIC SUBSTITUTION -- X-RAY CRYSTALLOGRAPHY
Аннотация: 5(6)-Fluoro-6(5)-substituted benzofuroxans were obtained by the reactions of 5,6-difluorobenzofuroxan with a number of nucleophiles, such as alkylamines, cycloalkylimines, sodium azide and sodium alkoxides. The features of tautomerism in the series of asymmetrical 5(6)-fluorobenzofuroxans in acetone solutions have been studied by 1H, 13C and 19F NMR.????

\\\\Expert2\\nbo\\Journal of Fluorine Chemistry\\2004, v.125, p.421.pdf
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12.
Инвентарный номер: нет.
   
   F 70


   
    Fluorine-containing Heterocycles. X. Acetoacetamides in the Synthesis of Fluorine-containing Chromone [Electronic resource] / G. N. Lipunova, E. V. Nosova, M. I. Kodess, V. N. Charushin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2004. - Vol. 40, № 8. - P1162-1166
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Fluorine-containing chromone-3-carboxamides were synthesized by reaction of tetra(penta)fluoro-benzoyl chlorides with acetoacetamides in dichloromethane in the presence of triethylamine. Nucleophilic substitution of fluorine atoms by amine rests in compounds synthesized was investigated

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2004, 40 (8), 1162.pdf
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13.
Инвентарный номер: нет.
   
   P 80


   
    Polyfluorobenzoyl chlorides and isothiocyanates in reactions with CH-reactive benzimidazoles [Electronic resource] / E. V. Nosova, G. N. Lipunova, A. A. Laeva, V. N. Charushin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2005. - Vol. 54, № 3. - P733-737
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Reactions of 2-benzoylmethylbenzimidazole with tetra- and pentafluorobenzoyl chlorides afford fluorine-containing 6-benzoyl-7H-benzimidazo[3,2-a]quinolones. 2-Cyanomethyl- or 2-benzoylmethylbenzimidazole reacts with tetra(penta) fluorobenzoyl isothiocyanates to give fluorine containing 1,3-benzothiazinones, which differently behave in reactions with cycloalkylimines

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2005, 54 (3), 733.pdf
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14.
Инвентарный номер: нет.
   
   F 70


   
    Fluorine-Containing Heterocycles. XII. Fluorine-Containing Quinazolin-4-ones and Azolo[a]quinazolinone Derivatives [Electronic resource] / G. N. Lipunova, E. V. Nosova, A. A. Laeva, M. I. Kodess, V. N. Charushin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2005. - Vol. 41, № 7. - P1071-1080
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Methods for the synthesis of fluorine-containing derivatives of 2-imino-1,3-diphenylquinazolin-4-one, imidazo[1,2-a]quinazolin-5-one, pyrazolo[1,5-a]quinazolin-5-one, and [1,2,4]triazolo[1,5-a]quinazolin-5-one were developed on the basis of the reaction of tetrafluorobenzoyl chloride with N,N?-diphenylguanidine and aminoazoles

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2005, 41 (7), 1071.pdf
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15.
Инвентарный номер: нет.
   
   C 52


    Chizhov, D. L.
    Convenient Rout to Regioisomeric Fluorinated Keto-Phosphonic Acids [Text] : доклад, тезисы доклада / D. L. Chizhov, V. N. Charushin, G. -V. Roeschenthaler // 18th ISFC international Symposium on Fluorine Chemistry. Bremen, 30th Jul.-4 Aug. 2006 г. : Final Program. Abstracts. - Bremen, 2006. - P260
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
KETO-PHOSPHONIC -- HYDROLYSIS

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16.
Инвентарный номер: нет.
   
   F 70


   
    Fluorine-containing heterocycles. XV. Reactions of polyfluorobenzoyl isothiocyanates with amino azines and amino azoles [Electronic resource] / E. V. Nosova, G. N. Lipunova, A. A. Laeva, V. N. Charushin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2006. - Vol. 42, № 10. - P1544-1550. - Библиогр. : с. 1550 (9 назв.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Reactions of tetra-and pentafluorobenzoyl isothiocyanates with aminoazoles and aminoazines led to the formation of fluorinated 1,3-benzothiazin-4-ones which reacted with cyclic amines in different ways. Replacement of the N=C=S fragment was observed in some reactions of polyfluorobenzoyl isothiocyanates with nucleophiles.

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2006, 42 (10), 1544.pdf
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17.
Инвентарный номер: нет.
   
   T 19


   
    Tandem of nucleophilic substitution of hydrogen and cyclocondensation with participation of nitro group in the synthesis of fluorine-containing 3-amino-1,2,4-benzotriazines [Electronic resource] / G. A. Zhumabaeva, S. K. Kotovskaya, N. M. Perova, V. N. Charushin, O. N. Chupakhin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2006. - Vol. 55, № 7. - P1243-1247
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Reactions of 3-fluoro-1-nitrobenzenes with guanidine hydrochloride in THF in the presence of ButOK gave isomeric 5-and 7-fluoro-containing 3-amino-1,2,4-benzotriazines

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2006, 55 (7), 1243.pdf
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18.
Инвентарный номер: нет.
   
   H 19


   
    Halogenation of Fluorinated 1,3-Dicarbonyl and 1,3,5-Tricarbonyl Compounds [Text] : доклад, тезисы доклада / D. V. Sevenard [и др.] // 18th ISFC international Symposium on Fluorine Chemistry. Bremen, 30th Jul.-4 Aug. 2006 г. : Final Program. Abstracts. - Bremen, 2006. - P271
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
HALOGEN -- HALOGENATION AGENTS

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19.
Инвентарный номер: нет.
   
   N 89


   
    Novel fluorine-containing enaminoketones modifed by podandes and crown ethers [Text] : доклад, тезисы доклада / V. I. Filyakova, N. S. Boltacheva, O. V. Fedorova, I. G. Ovchinnikova, G. L. Rusinov, V. N. Charushin, O. N. Kazheva, A. N. Chekhlov, O. A. Dyachenko // 18th ISFC international Symposium on Fluorine Chemistry. Bremen, 30th Jul.-4 Aug. 2006 г. : Final Program. Abstracts. - Bremen, 2006. - P328
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ENAMINOKETONE -- LITHIUM

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20.
Инвентарный номер: нет.
   
   R 30


   
    Reaction of Polyhaloalkyl-Substituted Chromones, Pyrones, and Furanones with Salicylaldehydes as a Direct Route to Fused 2H-Chromenes [Text] : доклад, тезисы доклада / V. Ya. Sosnovskikh, V. Yu. Korotaev, D. L. Chizhov, I. B. Kutyashev, D. S. Yachevskii, V. N. Charushin // 18th ISFC international Symposium on Fluorine Chemistry. Bremen, 30th Jul.-4 Aug. 2006 г. : Final Program. Abstracts. - Bremen, 2006. - P307
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
GAMMA-RYRONES -- BETA-FURANONES

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