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 1-10    11-19 
1.

Вид документа : Статья из журнала
Шифр издания : 54/H 99
Автор(ы) : Podol'skii A. V., Khonina T. G., Filyakova T. I., Kachalkova M. I., Kodess M. I.
Заглавие : Influence of crown ethers on thermal decarboxylation of salts of perfluorocarboxylic acids [Electronic resource]
Место публикации : Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 1991. - Vol. 40, N 10. - С. 1977-1979
Систем. требования: http://www.springerlink.com/content/r4w3u327w22q0851/fulltext.pdf
Примечания : 21.10.2011
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Thermal decarboxylation of potassium salts of perfluorocarboxylic acids in the presence of 20 mole % of crown ethers takes place in 1 h at 180-degrees-C and gives internal perfluoroolefins in yields of up to 95 %
\\\\Expert2\\nbo\\Russian Chemical Bulletin\\1991, 40 (10), 1977-1979.pdf
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2.

Вид документа : Статья из журнала
Шифр издания : 54/P 93
Автор(ы) : Prokhorov A. M., Makosza M., Chupakhin O. N.
Заглавие : Direct introduction of acetylene moieties into azines by S(N)H methodology
Место публикации : Tetrahedron Letters. - 2009. - Vol. 50, № 13. - С. 1444-1446
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The N-oxides of azines 1a–g react with lithium and/or potassium acetylides to give the corresponding ethynylazines 2a–g. Reaction with lithium acetylide requires subsequent acylation of the intermediate anionic adduct for rearomatization whereas in the case of potassium acetylide, auto-aromatization takes place??
\\\\Expert2\\nbo\\Tetrahedron Letters\\2009, V. 50, N 13, p.1444.pdf
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3.

Вид документа : Статья из журнала
Шифр издания : 54/B 43
Автор(ы) : Lipunova G. N., Mokrushina G. A., Granovskaya E.B., Chasovskikh O. M., Charushin V. N.
Заглавие : Benzimidazo[l,2-a]pyrazolo[l,5-c]quinazoline: a novel heterocyclic system [Electronic resource]
Место публикации : Mendeleev Communications. - 1996. - Vol. 6, № 1. - С. 15-17
Систем. требования: http://www.sciencedirect.com/science/article/pii/S0959943696713354
Примечания : 12.10.2011
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Heating of ethyl 3-[beta-(benzimidazol-2-yl)hydrazine]-2-(polyfluorobenzoyl)acrylates in acetonitrile with potassium fluoride or triethylbenzyl ammonium chloride leads to derivatives of novel heterocyclic systems of benzimidazo[l,2-a]pyrazolo- [1,5-c]quinazoline
\\\\expert2\\nbo\\Mendeleev Communications\\1996, v.6, N 1. p.15.pdf
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4.

Вид документа : Статья из журнала
Шифр издания : 54/F 70
Автор(ы) : Lipunova G. N., Nosova E. V., Sidorova L. P., Charushin V. N., Chasovskikh O. M., Tkachev A.V.
Заглавие : Fluorine-Containing Heterocycles. VIII. Transformations of 2-Polyfluorobenzoylacrylates Having a Thiosemicarbazide Fragment [Electronic resource]
Место публикации : Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2002. - Vol. 38, № 12. - С. 1790-1796
Систем. требования: http://www.springerlink.com/content/w376n0761726k3g1/fulltext.pdf
Примечания : 31.10.2011 г.
ББК : 54
Предметные 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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5.

Вид документа : Статья из журнала
Шифр издания : 54/A 60
Автор(ы) : Mochul`skaya N. N., Andreiko A. A., Kodess M. I., Vasil'eva E. B., Filyakova V. I., Gubaidullin A. T., Litvinov I. A., Sinyashin O. G., Aleksandrov G. G., Charushin V. N.
Заглавие : Annelation of the thiazole ring to 1,2,4-triazines by tandem AN—AN or SNH—SNH reactions [Electronic resource]
Место публикации : Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2004. - Vol. 53, № 6. - С. 1279-1289
Систем. требования: http://www.springerlink.com/content/k650w2u253044705/fulltext.pdf
Примечания : 24.10.2011
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The reactions of 3-aryl-1,2,4-triazines with aromatic thioamides and 4-arylthiosemicarbazides in acetic anhydride at room temperature afforded cyclic products of the tandem nucleophilic addition reactions, viz., tetrahydrothiazolo[4,5-e]-annelated 1,2,4-triazines, in good yields. The latter underwent aromatization in the presence of potassium permanganate
\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2004, 53 (6), 1279.pdf
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6.

Вид документа : Статья из журнала
Шифр издания : 54/T 19
Автор(ы) : Charushin V. N., Mochul`skaya N. N., Andreiko A. A., Kodess M. I., Litvinov I. A., Sinyashin O. G., Chupakhin O. N.
Заглавие : Tandem AN—AN reactions in the synthesis of 1H-pyrrolo[3,2-e]-1,2,4-triazines and products of their oxidative transformations [Electronic resource]
Место публикации : Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2003. - Vol. 52, № 8. - С. 1740-1749
Систем. требования: http://www.springerlink.com/content/ww46125073067g22/fulltext.pdf
Примечания : 24.10.2011
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The reactions of 3-aryl-1,2,4-triazines with -aminovinyl ketones or ethyl -aminocrotonates in acetic anhydride at room temperature afforded cyclic products of the tandem nucleophilic addition, viz., 3a,4,7,7a-tetrahydro-1H-pyrrolo[3,2-e]-1,2,4-triazines, in good yields. Under oxidative conditions, the latter compounds underwent the pyrrole-ring opening under the action of potassium permanganate to form the corresponding triazinones and were transformed into thriazolyl-substituted pyridines under the action of selenious acid
\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2003, 52 (8), 1740.pdf
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7.

Вид документа : Статья из журнала
Шифр издания : 54/P 93
Автор(ы) : Zabelina O. N., Kirichenko V. E., Pervova M. G., Yatluk Yu. G., Saloutin V. I.
Заглавие : Products of the reaction of polychlorinated biphenyls with ethanol and potassium hydroxide in dimethyl sulfoxide [Electronic resource]
Место публикации : Russian Journal of Applied Chemistry. - 2006. - Vol. 79, № 5. - С. 791-798
Систем. требования: http://www.springerlink.com/content/y1475x365668p3tu/fulltext.pdf
Примечания : Bibliogr. : p. 798 (8 ref.). - 19.10.2011
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The reaction of a technical mixture of polychlorinated biphenyls with ethanol and potassium hydroxide in dimethyl sulfoxide was studied. The composition of the products formed in the process was determined by gas chromatography and gas chromatography mass spectrometry.
\\\\Expert2\\nbo\\Russian Journal of Applied Chemistry\\2006, v. 79, N. 5, p. 791.pdf
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8.

Вид документа : Статья из журнала
Шифр издания : 54/P 58
Автор(ы) : Ovchinnikova I. G., Fedorova O. V., Slepukhin P. A., Rusinov G. L.
Заглавие : Photoinduced template synthesis of cyclobutane-containing crown ether [Electronic resource]
Место публикации : Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2008. - Vol. 57, № 1. - С. 212-214
Систем. требования: http://www.springerlink.com/content/j5t0411867458336/fulltext.pdf
Примечания : 27.10.2011 г.
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The photoinitiated [2+2]-cycloaddition of 1,5-bis[2-(3-phenyl-3-oxoprop-1-en-1-yl)phenoxy]-3-oxapentane in solution was studied. In the presence of potassium cations, the reaction is intramolecular and gives crown ether containing the ?-truxin-type cyclobutane fragment (anti, head-to-head) as the major product.
\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2008, 57 (1), 212.pdf
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9.

Вид документа : Статья из журнала
Шифр издания : 54/R 95
Автор(ы) : Rusinova O. V., Rusinov V. L.
Заглавие : Metasomatism in the Muruntau ore field (Western Uzbekistan)
Место публикации : Geology of Ore Deposits. - 2003. - Vol. 45, № 1. - С. 66-85
Примечания : Bibliogr. : p. 85 (34 ref.)
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The formation of the giant Muruntau gold-quartz deposit and ore field (western Uzbekistan) is defined as a prolonged (70 Ma) multiphase geological process related to shear tension and ductile deformations of rocks. The history of the ore field development is very complicated, and there is still much to be learned about it. We studied the conditions, zonation, and deformations of the metasomatism-related ore formation, as well as the behavior of carbonaceous matter (CM) in this process. Lower Paleozoic sheared carbonaceous host rocks are regionally metamorphosed in the muscovite-chlorite subfacies. This process, which evolved over a long time (C3-P1), started with the increase in temperature (the progressive megastage) and continued during its decrease when the bulk of gold was deposited. The beginning of the process was associated with ductile deformations that showed up in folding and shearing of rocks. At that time, pre-ore magnesium-potassium metasomatism took place in the temperature interval of 400-600°C. During the regressive megastage, calcium metasomatism occurred and skarn assemblages (actinolite, clinozoisite, diopside, and garnet) were deposited at T = 400-520°C. Later, ductile deformations were replaced by brittle deformations, and quartz-ore veinlets and lenses formed together with locally developed vein-related orthoclase-chlorite, albite-carbonate, sericite-tourmaline, and quartz-adular metasomatites. The metasomatic zonation showed up at early stages and was oriented along the direction of fluid filtration. The outer (front) zone is represented by a dome of biotitized rocks. Banded biotite-feldspar-quartz metasomatites occur within them. Their back (inner) zones are composed of the biotite-orthoclase-quartz assemblage. Younger skarn assemblages make up series of thin bands within biotite-feldspar-quartz metasomatites. Ore veinlets are enclosed within this metasomatic halo. CM took an active part in the hydrothermal process: it was output from metasomatic zones and redeposited along their outer boundary. CM interacted with the hydrothermal solution and maintained the reducing medium at the level of a QFM buffer. Temperatures established by the carbon isotope thermometer (CM + carbonate) are similar to values of mineral geothermometers (250-350°C during ore deposition). The distinctive features of metasomatism in the Muruntau ore field, hosted by carbonaceous sequences and shear zones, are the absence of vein-related zonation and a poor vertical zonation (a low T gradient), suppressed acid metasomatism, and the lack of an obvious relationship between ore mineralization and a particular magmatism.????
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10.

Вид документа :
Шифр издания : 54/U 62
Автор(ы) : Ovchinnikova I. G., Valova M. S., Matochkina E. G., Kodess M. I., Tumashov A. A., Slepukhin P. A., Fedorova O. V., Rusinov G. L., Charushin V. N.
Заглавие : Unusual heterocyclization of chalcone podands with 3-amino-1,2,4-triazole
Место публикации : Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2011. - Vol.60, №5. - С. 965-974
ББК : 54
Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ
Ключевые слова (''Своб.индексиров.''): template synthesis--chalcone podand--crown ethers
Аннотация: A new type of intramolecular cyclization of 1,5-bis[2-(E-3-oxo-3-phenylprop-1-enyl)-phenoxy]-3-oxapentane with 3-aminotriazole promoted by potassium ions was discovered. A cascade mechanism for the formation of crownophane with 4,7-dihydro[1,2,4]triazolo[1,5-a]-pyrimidine fragment was suggested. Effects of oligooxyethylene fragment of the chalcone podand and acid-base catalysis on the selectivity of the cyclocondensation processes and degree of oxidation of triazolopyrimidine fragments were studied. The product structures were confirmed by IR, 1H and 13C NMR spectroscopy and X-ray diffraction study
\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2011, 60 (5), 965-974.pdf
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