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Общее количество найденных документов : 29
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1.
Инвентарный номер: нет.
   
   A 10


   
    A single crystal X-ray study of the products of halogen mercury cyclization of 8-allylthioquinoline / P. A. Slepukhin, V. I. Batalov, D. G. Kim, V. N. Charushin // Journal of Structural Chemistry. - 2012. - Vol.53, №1. - С. 145-150
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
8-ALLYLTHIOQUINOLINE -- X-RAY DIFFRACTION -- HALOGEN
Аннотация: The reaction products of 8-allylthioquinoline with mercury halides are studied by single crystal X-ray diffraction. It is shown that the products are organomercury derivatives of salts of 2,3-dihydro[1,4]-thiazino[2,3,4-ij]quinoliniuim

\\\\Expert2\\nbo\\Journal of Structural Chemistry\\2012, V. 53, N 1, p.145-150.pdf
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2.
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    Betaine–N-heterocyclic carbene interconversions of quinazolin-4-one imidazolium mesomeric betaines. sulfur, selenium, and borane adduct formation / S. L. Deev, E. Sheina, T. S. Shestakova [и др.] // European journal of organic chemistry. - 2020. - № 4. - С. 450-465
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
ANIONIC NHCS -- BETAINES -- BORON COMPOUNDS -- CARBENES -- CYCLIC BORATES -- IMIDAZOL-2-YLIDENE
Аннотация: Reaction of N-alkylated imidazoles with 2-chloro-4-quinazolinone gave mesomeric betaines, 2-(1-alkyl-1H-imidazolium-3-yl)quinazolin-4-olates, for which three tautomeric forms of N-heterocyclic carbenes (NHCs) can be formulated, in addition to an anionic NHC after deprotonation. The NHC tautomers were trapped with sulfur, selenium, triethylborane, and triphenylborane as thiones, selenones and borane adducts, respectively. We obtained two isomers of the cyclic borane adducts, diazaboroloquinazolinones with [1,5-a] and [5,1-b]-type fusion between the quinazolinone and the diazaborole rings. They correspond to two different NHC tautomers and to the anionic NHC derived thereof. The third NHC tautomer was trapped as a non-cyclic adduct with tris(pentafluorophenyl)borane by coordination to the quinazoline oxygen atom. 2D 1H-15N HMBC experiments of 15N-labeled quinazolinone fragments, quantitative measurements of long-range 1H-15N coupling constants (JHN), and five X-ray single crystal analyses have been carried out for the structure elucidations and to gain insight into the NMR spectroscopic properties of these compounds.

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3.
Инвентарный номер: нет.
   
   C 75


   
    Consecutive S-N(H) and Suzuki–Miyaura Cross-Coupling Reactions – an Efficient Synthetic Strategy to Pyrimidines Bearing Pyrrole and Indole Fragments / E. V. Verbitskiy, G. L. Rusinov, V. N. Charushin, O. N. Chupakhin, E. M. Cheprakova, P. A. Slepukhin, M. G. Pervova, M. I. Kodess // European Journal of Organic Chemistry. - 2012. - Vol. 2012, №33. - С. 6612-6621
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
SYNTHETIC METHODS -- CROSS-COU­PLING -- NITROGEN HETEROCYCLES
Аннотация: The combination of the Suzuki–Miyaura cross-coupling and nucleophilic aromatic substitution of hydrogen reactions is a versatile tool for the syntheses of 4-(1R-pyrrol-2-yl)- and 4-(1R-indol-3-yl)-5-(hetero)aryl-substituted pyrimidines from commercially available 5-bromopyrimidine. The SNH [AE, (addition–elimination)] and SNH [AO, (addition–oxidation)] reactions of 5-bromopyrimidine with pyrroles and indoles were studied by gas chromatography–mass spectrometry. The structures of the intermediate σH adducts as well as the pyrrole-(hetero)arylpyrimidine and indole-(hetero)arylpyrimidine dyads were established for the first time by X-ray crystal structure analysis

\\\\Expert2\\nbo\\European Journal of Organic Chemistry\\2012, p.6612.pdf
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4.
Инвентарный номер: нет.
   
   C 75


   
    Construction of Heteroacenes with Fused Thiophene and Pyrrole Rings via the Fischer Indolization Reaction [Electronic resource] / R. A. Irgashev, A. A. Karmatsky, G. L. Rusinov, V. N. Charushin // Organic Letters. - 2016. - Vol. 18, № 4. - С. 804-807
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
FUSED THIOPHENE -- PYRROLE RINGS -- FISCHER INDOLIZATION REACTION
Аннотация: A convenient approach to ladder-type 6H-benzo[4',5']thieno[2',3':4,5]thieno[3,2-b]indoles, e.g., I (X-rays single crystal structure shown)​, bearing various substituents in both terminal benzene rings has been developed. The protocol suggested for prepg. these N,S-​heteroacenes is based on using easily available reagents, such as cinnamic acids and arylhydrazines, which can be involved in the Fischer indole synthesis, as the key step. A similar condensed system of 12H-​benzo[4'',​5'']​thieno[2'',3'':4',5']​thieno[2',3':4,5]​thieno[3,2-b]indole, bearing six rings, has also been obtained.

\\\\expert2\\nbo\\Organic Letters\\2016, v.18, N 4, p.804-807,pdf.pdf
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5.
Инвентарный номер: нет.
   
   C 91


   
    Crystal structure of lithium 1-phenyl-4,4-difluoro-1,3-butadionate [Electronic resource] / N. S. Karpenko, V. I. Filyakova, G. G. Aleksandrov, V. N. Charushin // Journal of Structural Chemistry. - 2005. - Vol. 46, № 5. - P955-959
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The crystal structure of lithium 1-phenyl-4,4-difluoro-1,3-butadionate composed of-O-Li-O-bond chains was determined by XRD. In these chains, the lithium atoms, tetrahedrally coordinated with oxygen, alternate with square-bipyramidal units containing four Li-O bonds and two weak Li-F interactions

\\\\Expert2\\nbo\\Journal of Structural Chemistry\\2005, V. 46, N 5, p.955.pdf
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6.
Инвентарный номер: нет.
   
   C 91


   
    Crystal structure of lithium beta-diketonate containing perfluorobutyl and pyridyl substituents [Electronic resource] / P. A. Slepukhin, N. S. Boltacheva, V. I. Filyakova, V. N. Charushin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2008. - Vol. 57, № 3. - P573-576
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The crystal structure of lithium 4,4,5,5,6,6,7,7,7-nonafluoro-1-(3-pyridyl)heptane-1,3-dionate hydrate was established by X-ray diffraction

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\2008, 57 (3), 573.pdf
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7.
Инвентарный номер: нет.
   
   C 98


   
    Cyclization of N-alkylazinium cations with bifunctional nucleophiles. 22. Crystal and molecular structure of tetrahydroquinoxaline condensed with the six-membered 1,3,4-thiadiazine ring [Electronic resource] / D. S. Yufit, Yu. T. Struchkov, V. N. Drozd, V. N. Charushin, V. G. Baklykov, O. N. Chupakhin // Chemistry of Heterocyclic Compounds. - 1987. - Vol. 23, № 5. - С. 583-587. - Bibliogr. : p. 587 (19 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
X-RAY DIFFRACTION -- HYDROGENS -- TETRAHYDROPYRAZINE
Аннотация: X-ray diffraction examination of 4-acetyl-10-methyl-2-phenyl-1,4,4a,5,10,10a-hexahydro-1,3,4-thiadiazino[5,6-b]quinoxaline has shown that the 4a-H and 10a-H hydrogens attached to the carbon atoms common to both heterocycles are cis-oriented, as in the annelation of five-membered heterocycles to the tetrahydropyrazine ring, but in this case the torsion angle H(4a)C(4a)C(10a)H(10a) is much greater, having a value of 60‡

\\\\expert2\\nbo\\Chemistry of Heterocyclic Compounds\\1987, v.23, N 5, p. 583.pdf
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8.
Инвентарный номер: нет.
   
   C 98


   
    Cyclizations of N-alkylazinium cations with bifunctional nucleophiles. 19. Crystal structure of the kinetic product of the reaction of N-methylquinoxalinium iodide with thioacetamide [Electronic resource] / D. S. Yufit, Yu. T. Struchkov, V. N. Drozd, V. G. Baklykov, V. N. Charushin, O. N. Chupakhin // Chemistry of Heterocyclic Compounds. - 1985. - Vol. 21, № 10. - С. 1168-1171. - Bibliogr. : p. 1170-1171 (13 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
HETERORINGS -- N-METHYLQUINOXALINIUM IODIDE
Аннотация: The mutual orientation of the heterorings and the three-dimensional structure of the kinetic product of the reaction of N-methylquinoxalinium iodide with thioacetamide were established by x-ray diffraction analysis of 2,4-dimethyl-9-acetyl-3a,4,9,9a-tetrahydrothiazolo [4,5-b]quinoxaline.

\\\\expert2\\nbo\\Chemistry of Heterocyclic Compounds\\1985, v.21, N 10, p. 1168.pdf
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9.
Инвентарный номер: нет.
   
   D 64


   
    Dithienoquinazolines – A Convenient Synthesis by the Oxidative Photocyclization of 4,5-Dithienyl-Substituted Pyrimidines and Their Photophysical Properties [Electronic resource] / E. V. Verbitskiy, P. A. Slepukhin, M. S. Valova, E. M. Cherprakova, A. V. Schepochkin, G. L. Rusinov, V. N. Charushin // European Journal of Organic Chemistry. - 2014. - № 36. - С. 8133-8141
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
DITHIENOQUINAZOLINES -- PYRIMIDINES -- PHOTOPHYSICAl PROPERTIES
Аннотация: A convenient route to a new class of thienoacene systems bearing a fused pyrimidine ring is presented along with their optoelectronic properties. The photophysical and electrochemical properties of these newly developed thieno-aza-acenes have been investigated by UV/Vis absorption and photoluminescence spectrophotometry and cyclic voltammetry, and some crystal structures have also been determined.

\\\\expert2\\nbo\\European Journal of Organic Chemistry\\2014, № 36. p.8133-8141.pdf
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10.
Инвентарный номер: нет.
   
   F 70


   
    Fluorinated lithium 1,3-diketonates as reagents to modify podands and crown-ethers [Electronic resource] / N. S. Boltacheva, O. V. Fedorova, I. G. Ovchinnikova, O. N. Kazheva, A. N. Chekhlov, O. A. Dyachenko, G. L. Rusinov, V. I. Filyakova, V. N. Charushin // Journal of Fluorine Chemistry. - 2007. - Vol. 128, № 7. - P762-768
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Fluorinated enaminoketones, a new type of ligands, bearing two independent coordination centers (polyether's and fluorinated enaminoketones fragments) have been obtained. The crystal structure of the Cu(II) complex of 1,5-bis-[2-(4`,4`,4`-trifluoro-1`-methyl-3`oxo-but-1`-enylamino)-phenoxy]-3-oxapentane (10) has been elucidated by X-ray crystallography. The results obtained show that the complex 10 consists of two crystallographically independent molecules C26H24CuF6N2O5 (A and B), and the metal atom in the complex 10 has four-coordinated arrangement, as a polyhedron with a distorted square with two nitrogen and two oxygen atoms located in corners.

\\\\expert2\\nbo\\Journal of Fluorine Chemistry\\2007, v.128. p.762.pdf
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