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 Найдено в других БД:Публикации Чарушина В.Н. (10)
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 1-10    11-20  
1.
Инвентарный номер: нет.
   
   T 82


   
    Transformations of 5-diazo derivatives of 1,3-dimethyl-6-hydrazinouracil - new synthetic approaches to novel pyrimidine-derivatives [Electronic resource] / Y. A. Azev, O. L. Guselnikova, O. N. Chupakhin // Mendeleev Communications. - 1994. - N 6. - P208-209
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: 1,3-Dimethyl-6-hydrazinouracil 1 gives hydrazones 2 with the corresponding aldehydes. Heating of 6-hydrazinouracil 1 in ethanol in the presence of hyrochloric acid results in the formation of N1, N2-bis(1,3-dimethyl-2,6-dioxopyrimid-4-yl)hydrazine 3, which gives the diazo derivative 4 on treatment with 2,4-diazido-6-cyanomethoxy-s-triazine in DMSO in the presence of triethylamine et room temperature

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2.
Инвентарный номер: нет.
   
   U 62


   
    Unusual dimerization of 1-ethyl-1,2,4-triazinium salts into 4a,4b,9,10-tetrahydro-1,3,6,8,8a,10a-hexaazaphenanthrenes [Text] / O. N. Chupakhin, B. V. Rudakov, S. G. Alexeev, V. N. Charushin, V. A. Chertkov // Tetrahedron Letters. - 1990. - Vol. 31, N 52. - P7665-7668
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: 1-Ethyl-3-alkylthio-5-phenyl-1,2,4-triazinium tetrafluoroborates were found to undergo an unusual dimerization on treatment with triethylamine in methanol or ethanol solution. A mechanism for the formation of 4a,4b,9,10-tetrahydro-1,3,5,8,8a,10a-hexaaza-phenanthrenes is proposed

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3.
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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4.
Инвентарный номер: нет.
   
   A 53


   
    An Unusually easy oxidative dequaternization of N-alkyl-1,2,4-triazinium salts [Electronic resource] / O. N. Chupakhin, B. V. Rudakov, P. McDermott, S. G. Alexeev, V. N. Charushin, F. Hegarty // Mendeleev Communications. - 1995. - Vol. 5, № 3. - P104-105
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Unusually easy dequaternization has been found to occur on treatment of 1-alkyl-3-morpholino-5-phenyl-1,2,4-triazinium iodides with triethylamine in alcohol or acetone solutions at room temperature; a plausible reaction mechanism has been advanced on the basis of NMR and kinetic studies

\\\\expert2\\nbo\\Mendeleev Communications\\1995, v.5, N 3. p.104.pdf
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5.
Инвентарный номер: нет.
   
   I-69


   
    Intermolecular and intramolecular cycloaddition reactions of 1-ethyl-1,2,4-triazinium salts with alkynes [Electronic resource] / N. N. Mochul`skaya, A. A. Andreiko, V. N. Charushin, V. I. Solomonov // Mendeleev Communications. - 2001. - Vol. 11, № 1. - P19-20
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Azomethyne ylides generated from 3-alkylthio substituted 1-alkyl-5-aryl-1,2,4-triazinium salts 4a–c on treatment with triethylamine undergo 1,3-dipolar cycloaddition with dimethyl acetylenedicarboxylate to give pyrrolo[2,1-f] [1,2,4]triazines, while 1-ethyl-5- phenyl-1,2,4-triazinium salts 1a,b bearing the CC bond in the side-chain 3-alkynylthio substituent react with acetylenes to undergo either intermolecular 1,3-dipolar cycloaddition or intramolecular inverse electron demand Diels–Alder reactions????

\\\\expert2\\nbo\\Mendeleev Communications\\2001, v.11, N 1. p.19.pdf
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6.
Инвентарный номер: нет.
   
   R 30


   
    Reaction of fluoroalkyl-containing 1,3-dicarbonyl compounds with benzylideneacetone [Electronic resource] / Ya. V. Burgart, A. S. Fokin, I. T. Bazyl, V. I. Saloutin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 1997. - Vol. 46, № 5. - P952-954
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The reaction of fluoroalkyl-containing 1,3-dicarbonyl compounds with benzylideneacetone with the use of pyridine or triethylamine as a catalyst gave new 3-fluoroalkyl-4-ethoxycarbonyl(acyl)-5-phenylcyclohexan-3-ol-I-ones in yields of 16–33%

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\1997, 46 (5), 952.pdf
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7.
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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8.
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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9.
Инвентарный номер: нет.
   
   F 76


   
    Formation of polynuclear palladium complexes with the benzimidazole-2-thiolate anion [Electronic resource] / M. O. Talismanova, A. A. Sidorov, G. G. Aleksandrov, V. N. Charushin, S. K. Kotovskaya, I. L. Eremenko, I. I. Moiseeva // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2008. - Vol. 57, № 1. - P47-55
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The reactions of palladium(II) salts with 2-mercaptobenzimidazole (HL) and its 5,6-difluorinated derivative (HLF) were investigated. In the presence of hydrochloric acid, PdCl2 and K2PdCl4 react with HL and HLF in the ethanol—water and acetonitrile—water systems to form the mono-nuclear dicationic complexes [Pd(HL)4]Cl2 (1) and [Pd(LF)4]Cl2 (2). In the absence of HCl, the reactions afford the tetranuclear complex Pd4[(L)2(3-S,N-(L))2(S,N-(L))4] (3). The reaction of triethylamine with an ethanolic solution of 3 leads to degradation of 3 and the formation of the lantern-type dinuclear complex Pd2[2-(L)4] (4), in which the palladium atoms are in the nonequivalent coordination environment, PdN4 and PdS4. The reaction of K2PdCl4 with HL or HLF in the THF—water or acetonitrile—water systems (for the reaction with HLF) in the presence of Et3N produces the lantern-type dinuclear complexes Pd2[(?S,N-(L3))4] and Pd2[(S,N)(LF))4] (5), in which the metal atoms are in the equivalent coordination environment (cis-PdN2S2)

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2008, 57 (1), 47.pdf
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10.
Инвентарный номер: нет.
   
   R 30


   
    Reaction of pentafluorobenzoylpyruvic acid with amines [Electronic resource] / V. I. Saloutin, I. T. Bazyl, Z. E. Skryabina, P. N. Kondrat'ev, O. N. Chupakhin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 1994. - Vol. 43, № 2. - P279-282
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
CYCLIZATION -- INTRAMOLECULAR CYCLIZATION -- PRIMARY AMINES -- PENTAFLUOROBENZOYLPYRUVIC ACID
Аннотация: Reactions of pentafluorobenzoylpyruvic acid with amines afford the respective enamines. The intramolecular cyclization of the latter results in N-substituted 4-quinolone-2-carboxylic acids. Ammonia and triethylamine favor the cyclization of pentafluorobenzoylpyruvic acid to 2-carboxychromone.

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\1994, 43 (2), 279.pdf
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