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 Найдено в других БД:Публикации Чарушина В.Н. (4)
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Общее количество найденных документов : 20
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 1-10    11-20  
1.
Инвентарный номер: нет.
   
   F 12


   
    Facile Synthesis of 6-aryl-3-pyridyl-1,2,4-triazines as a key step towards hightly fluorescent 5-substituted bipyridines and their Zn(II) and Ru(II) complexes [Electronic resource] / V. N. Kozhevnikov, O. V. Shabunina, D. S. Kopchuk, M. M. Ustinova, B. Konig, D. N. Kozhevnikov // Tetrahedron. - 2008. - Vol. 64, № 37. - P8963-8973 : рис., табл. - Библиогр. : с. 8973 (21 назв.) . - ISSN 0040-4020
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: A wide series of substituted bipyridines were obtained through the synthesis of 1,2,4-triazines and their aza Diels–Alder reactions. The reported method facilitates the synthesis of functionally diverse bipyridines that provides fine-tuning of photophysical properties of new ligands and their Zn(II) and Ru(II) complexes. Some of substituted bipyridines exhibit ‘off–on’ fluorescence response toward Zn2+ cations.????

\\\\Expert2\\nbo\\Tetrahedron\\2008, v. 64, N37, p. 8963.pdf
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2.
Инвентарный номер: нет.
   
   Д 26


   
    9-Allyl-1,7-dicarbadodecaborane as a dienophile in aza Diels-Alder reactions of 1,2,4-triazines: synthesis of pyridines bearing a carborane cage [Electronic resource] / A. M. Prokhorov, P. A. Slepukhin, V. L. Rusinov, V. N. Kalinin, D. N. Kozhevnikov // Tetrahedron Letters. - 2008. - Vol. 49, № 23. - P3785-3789
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
TRIAZINES -- PYRIDINES
Аннотация: The synthesis of pyridine and bipyridine derivatives of m-carborane via aza Diels–Alder reaction of 1,2,4-triazines with 9-allyl m-carborane and their structural characterization and photophysical properties are described. The products 3- and 4-(m-carborane-9-ylmethyl)-2,2`-bipyridines form Zn(II) complexes on reaction with ZnCl2, which increases significantly their fluorescence intensity.

\\\\Expert2\\nbo\\Tetrahedron Letters\\2008, v. 49, p.3785.pdf
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3.
Инвентарный номер: нет.
   
   C 75


   
    Consecutive nucleophilic substitution and aza Diels-Alder reaction-an efficient strategy to functionalized 2,2'-bipyridines [Electronic resource] / D. N. Kozhevnikov, V. N. Kozhevnikov, A. M. Prokhorov, M. M. Ustinova, V. L. Rusinov, O. N. Chupakhin, G. G. Aleksandrov, B. Koenig // Tetrahedron Letters. - 2006. - Vol. 47, № 6. - P869-872
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: An efficient strategy for the synthesis of functionalized 2,2`-bipyridines is reported. The strategy is based on readily available 3-pyridyl-1,2,4-triazine 4-oxides and uses a reaction sequence of nucleophilic substitution of hydrogen and aza Diels-Alder reaction.

\\\\Expert2\\nbo\\Tetrahedron Letters\\2006, v. 47, p.869.pdf
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4.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis, structure and luminescence of ruthenium complexes with 6-cyano-2,2'-bipyridines [Electronic resource] / V. N. Kozhevnikov, D. N. Kozhevnikov, O. V. Shabunina, V. L. Rusinov, O. N. Chupakhin, M. Zabel, B. Koenig // Mendeleev Communications. - 2005. - Vol. 15, № 1. - P6-8
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The crystallographic data, NMR and UV-VIS spectra and luminescence of the heteroleptic complexes [Ru(L)(bpy)2](PF6)2 (L = 5-aryl-6-cyano-2,2'-bipyridine) are described.

\\\\Expert2\\nbo\\Mendeleev Communications\\2005, v.15,p.6.pdf
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5.
Инвентарный номер: нет.
   
   A 53


   
    An efficient route to 5-(hetero)aryl-2,4'- and 2,2'-bipyridines through readily available 3-pyridyl-1,2,4-triazines [Electronic resource] / V. N. Kozhevnikov, D. N. Kozhevnikov, O. V. Shabunina, V. L. Rusinov, O. N. Chupakhin // Tetrahedron Letters. - 2005. - Vol. 46, № 11. - P1791-1793
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: A new route to substituted bipyridines based on a new method for the synthesis of substituted 3-pyridyl-1,2,4-triazines and their aza-Diels-Alder reactions is shown to be an efficient strategy for the preparation of structurally diverse bipyridine ligands.

\\\\Expert2\\nbo\\Tetrahedron Letters\\2005, v. 46, p.1791.pdf
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6.
Инвентарный номер: нет.
   
   S 98


   
    Synthesis of functionalised bipyridines by sequential nucleophilic substitution of hydrogen and cycloaddition in 1,2,4-triazine rings [Electronic resource] / D. N. Kozhevnikov, V. N. Kozhevnikov, T. V. Nikitina, V. L. Rusinov, O. N. Chupakhin, H. Neunhoeffer // Mendeleev Communications. - 2002. - Vol. 12, № 1. - P30-31
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
SYNTHESIS -- BIPYRIDINES -- TRIAZINE
Аннотация: A new methodology for the synthesis of functionalised bipyridines by the direct cyanation of 3-(2-pyridyl)-1,2,4-triazine 4-oxide through nucleophilic substitution for hydrogen followed by the transformation of the 1,2,4-triazine ring into the pyridine ring by the Diels–Alder reaction and, finally, the chemical conversion of the cyano group is described

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7.
Инвентарный номер: нет.
   


   
    5-Aryl-2,2-bipyridines as tunable fluorophores [Text] / D. N. Kozhevnikov, O. V. Shabunina, D. S. Kopchuk, P. A. Slepukhin, V. N. Kozhevnikov // Tetrahedron Letters. - 2006. - Vol. 47, № 39. - P7025-7029
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Readily available 5-aryl-2,2?-bipyridines and their derivatives are a unique family of fine-tunable chromophores, where changes in the substitution patterns, solvation and coordination are translated into dramatic spectral changes. They exhibit sensitive and selective response to zinc ions with dramatic increases in emission intensity or significant red-shifts of emission maxima????

\\\\Expert2\\nbo\\Tetrahedron Letters\\2006, v. 47, p.7025.pdf
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8.
Инвентарный номер: нет.
   
   P 93


    Prokhorov, A. M.
    CuCl2 induced reactions of 6-ethynyl- and 6-cyano-5-aryl-2,2-bipyridines with various N- and O-nucleophiles in comparison with the reactions of relative 1,2,4-triazines [Text] / A. M. Prokhorov, P. A. Slepukhin, D. N. Kozhevnikov // Journal of Organometallic Chemistry. - 2008. - Vol. 693, № 10. - P1886-1894
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Meanwhile 5-aryl-6-cyano-2,2-bipyridines are very stable towards various nucleophiles, addition copper(II) chloride to the reactional mixture facilitates nucleophilic addition to the cyano group dramatically. The cyanobipyridines react easily with water, methanol, ethanolamine in the presence of CuCl2 yielding well-crystallized complexes containing carboxylates, carboximidates or carboxamidines as ligands. 5-Cyano-1,2,4-triazines are more active in the reactions due to higher electron-withdrawing properties of this heterocycle. Due to the same reason acetylene moiety of 5-ethynyl-3-pyridyl-1,2,4-triazine adds water quite easily but in the presence of copper chloride as well

\\\\Expert2\\nbo\\Journal of Organometallic Chemistry\\2008, v.693, p.1886.pdf
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9.
Инвентарный номер: нет.
   
   A 89


   
    Asymmetric cyclopalladation of 6-ferrocenyl-2,2-bipyridine and 2-ferrocenyl-1,10-phenanthroline [Electronic resource] / L. A. Bulygina, V. I. Sokolov, I. A. Utepova, V. L. Rusinov, O. N. Chupakhin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2007. - Vol. 56, № 5. - P1080-1082
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Cyclopalladation of 6-ferrocenyl-2,2?-bipyridine and 2-ferrocenyl-1,10-phenanthroline in the presence of the N-acylamino acid salt as the asymmetric catalyst was performed. Some reactions of the resulting bicyclic palladium derivatives with tridentate (N,N,C) ligands were studied

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2007, 56 (5), 1080-1082.pdf
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10.
Инвентарный номер: нет.
   
   D 46


   
    Design of ICT-PET fluorescent probes for zinc(II) based on 5-aryl-2,2′-bipyridines / D. S. Kopchuk, A. M. Prokhorov, P. A. Slepukhin, D. N. Kozhevnikov // Tetrahedron Letters. - 2012. - Vol.53, №46. - С. 6265-6268
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ZINC(II) SENSOR -- BIPYRIDINES -- INTRAMOLECULAR CHARGE TRANSFER
Аннотация: Rational design of selective and sensitive ‘off-on’ fluorescent probes for Zn(II) cations exploiting both PET and ICT mechanisms of sensing is illustrated by the synthesis and application of 5-aryl-2,2′-bipyridines modified with a dipicolylaminomethyl fragment. The aryl substituent provides tuning of the prop

\\\\Expert2\\nbo\\Tetrahedron Letters\\2012, v. 53, p. 6265.pdf
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