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Общее количество найденных документов : 40
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1.
Инвентарный номер: нет.
   


   
    Methodology of C(sp2)-H functionalization in mono- and diazine N-oxides in the synthesis of heterocyclic meso-substituted calixarenes [Electronic resource] / M. V. Varaksin, O. N. Chupakhin, V. N. Charushin, K. A. Khlamkin, I. A. Utepova // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2015. - Vol. 6, № 5. - С. 1093-1096
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
MESO-SUBSTITUTED CALIXARENES -- MESO-SUBSTITUTED AZINYLCALIXARENES -- METAL CATALYSIS
Аннотация: Earlier unknown meso-​substituted azinylcalixarenes were obtained by a direct cross-​coupling of 2-​lithium-​25,​26,​27,​28-​tetramethoxycalix[4]​arenes with mono- and diazine N-​oxides without transition metal catalysis.

\\\\expert2\\nbo\\Russian Chemical Bulletin\\2015, 64 (5), 1093-1096.pdf
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2.
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   A 10


   
    A new anionic palladium(II) complex as a highly efficient cross-coupling catalyst [Text] : доклад, тезисы доклада / A. Mechaev, A. V. Pestov, Yu. G. Yatluk, M. G. Pervova, O. N. Chupakhin // 3rd EuCheMS Chemistry Congress "Chemistry - the Creative Force", Nuremberg, 29 august-02 ceptember2010. - Nuremberg, 2010. - P1353 : il.
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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3.
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    Advances in transition-metal catalyzed carbonylative suzuki-miyaura coupling reaction: an update / D. Bhattacherjee, M. Rahman, S. Ghosh [et al.] // Advanced synthesis and catalysis. - 2021. - Vol. 363, № 6. - P1597-1624
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
CARBONYLATION -- SUZUKI-MIYAURA COUPLING -- TRANSITION-METAL CATALYSIS
Аннотация: Transition metals have been an indispensable component of modern catalysis and among these palladium is the top-ranked choice of chemists as a catalyst. After the several important developments of palladium catalysed C−C cross-coupling reactions, carbonylative transformations have been realised as an attractive post modification of these reactions. Carbonylative Suzuki-Miyaura coupling reaction is among such transformations for direct incorporation of CO fragment for the preparation of biaryl or aryl/alkyl ketones via transition-metal catalysis. Ketone functionality is basically a valuable building block having huge pharmaceutical and agrochemical applications. Moreover, carbonylative Suzuki-Miyaura coupling is also used in the synthesis of various natural bioactive molecules through the direct joining of molecular fragments via CO bridge. In this review, the past decade developments in the carbonylative Suzuki-Miyaura coupling reactions are documented in detail with modern approaches in transition-metal catalysis.

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4.
Инвентарный номер: нет.
   
   A 89


   
    Asymmetric Biginelli Reaction Catalyzed by Silicon, Titanium and Aluminum Oxides [Electronic resource] / O. V. Fedorova, Yu. A. Titova, A. Yu. Vigorov, M. S. Toropova, O. A. Alisienok, A. Murashkevich, V. P. Krasnov, G. L. Rusinov, V. N. Charushin // Catalysis Letters. - 2016. - Vol.146, № 2. - С. 493-498
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
BIGINELLI REACTION -- PHENYLETHYLAMINE -- ALUMINUM OXIDES
Аннотация: The asym. Biginelli reaction was investigated in the presence of N-​[(2S,​4R)​-​4-​hydroxyprolyl]​-​(S)​-​1-​phenylethylamine as chiral inducer and silicon, titanium or aluminum oxides (individual and mixed, bulk and nanosized) as heterogeneous catalysts. The synthesis of Et (4R)​-​6-​methyl-​2-​oxo-​4-​phenyl-​1,​2,​3,​4-​tetrahydropyrimidine-​5-​carboxylate from benzaldehyde, urea and Et acetoacetate has been described. It has been shown that all studied oxides improve chemo- and stereoselectivity of the Biginelli reaction.

\\\\expert2\\nbo\\Catalysis Letters\\2016, v.146, p.493.pdf
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5.
Инвентарный номер: нет.
   
   C 31


   
    Catalytic effect of nanosized metal oxides in the Biginelli reaction [Text] / O. V. Fedorova, M. S. Valova, Yu. A. Titova, I. G. Ovchinnikova, A. N. Grishakov, M. A. Uimin, A. E. Ermakov, G. L. Rusinov, V. N. Charushin // Kinetics and Catalysis. - 2011. - Vol. 52, № 2. - P226-233. - Bibliogr. : p. 233 (21 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The effect of nanosized metal oxides on the regio- and stereoselectivity of the multicomponent Biginelli reaction and the reaction mechanism under conditions of heterogeneous catalysis were studied. It was found that the considerable activation of reagents occurred on the surface of metal nanooxides. The Biginelli reaction occurred by two mechanisms: a carbocationic mechanism took place along with the generally accepted mechanism (through the N-acyliminium ion). Nanosized metal oxides in the presence of chiral inductors increased the regio- and stereoselectivity of the Biginelli reaction

\\\\Expert2\\nbo\\Kinetics and Catalysis\\2011, v. 52, N 2, p. 226.pdf
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6.
Инвентарный номер: нет.
   
   C 31


   
    Catalytic effect of nanosized metal oxides on the Hantzsch reaction [Text] / O. V. Fedorova, O. V. Koryakova, M. S. Valova, I. G. Ovchinnikova, Yu. A. Titova, G. L. Rusinov, V. N. Charushin // Kinetics and Catalysis. - 2010. - Vol. 51, № 4. - P566-572
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
METAL OXIDES -- HANTZSCH REACTION -- ALUMINUM OXIDES
Аннотация: The effect of nanosized copper and aluminum oxides, which have a higher sorption capacity than that of bulk samples, on the Hantzsch reaction was studied. The adsorption of starting benzaldehydes and ethyl acetoacetate on the surface of copper and aluminum nanooxides resulted in the activation of these molecules and accelerated the Hantzsch reaction. In addition, considerable activation of ammonia and intermediates (chalcone and enamine) on the surface of aluminum nanooxide facilitated an increase in the rate and selectivity of the process. The experimental results were used to develop a one-pot method for the preparation of nifedipine and nitrendipine

\\\\Expert2\\nbo\\Kinetics and Catalysis\\2010, v. 51, N 4, p. 566-572.pdf
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7.
Инвентарный номер: нет.
   
   C 73


   
    Condensation of 2-polyfluoroacycloalkanones with aldehydes and dimethylformamide-dimethylacetal [Text] / D. V. Sevenard, O. G. Khomutov, M. I. Kodess, K. I. Pashkevich, I. Loop, E. Lork, G. -V. Roeschenthaler // Australian Journal of Chemistry. - 2001. - Vol. 54, № 3. - P157-163
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Polyfluorinated 1,3-diketones containing carbocycles react with aldehydes under Lewis-acid catalysis and also with dimethylformamide-dimetylacetal without catalysis, yielding exclusively (E)-configured condensation products involving the methylene group of the carbocycle. Novel trifluoromethylated chromenes are prepared from 2-trifluoroacetylcycloalkanones and salicylaldehyde. The structures of two new compounds, 2-(E)-benzylidene-6-trifluoroacetylcyclohexanone and 4-trifluoroacetyl-2,3-dihydro-1H-xantene, are confirmed by X-ray structure analysis.

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8.
Инвентарный номер: нет.
   
   E 27


   
    Effect of nanosized TiO2–SiO2 covalently modified by chiral molecules on the asymmetric Biginelli reaction [Electronic resource] / Yu. A. Titova, O. V. Fedorova, G. L. Rusinov, A. Yu. Vigorov, V. P. Krasnov, A. Murashkevich, V. N. Charushin // Catalysis Today. - 2015. - Vol. 241. - С. 270-274. - Bibliogr. : p. 274 (23 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
NANOOXIDE TiO2–SiO -- BIGINELLI REACTION -- ASYMMETRIC CATALYSIS
Аннотация: The method for immobilization of chiral molecules (menthol and proline derivatives) on the mixed nanooxide TiO2–SiO2 surface has been developed. The synthesized nanocomposites were used as catalysts of the Biginelli reaction. It was shown that inactive chiral molecules, when covalently bonded to the nanooxide surface, acquired properties of a chiral inducer in the asymmetric Biginelli reaction.

\\\\expert2\\nbo\\Catalysis Today\\2015, v.241, p.270.pdf
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9.
Инвентарный номер: нет.
   
   F 33


   
    Features of reaction between fluorine-containing glycidyl ethers and alcohols in basic medium [Electronic resource] / D. N. Bazhin, T. I. Gorbunova, A. Ya. Zapevalov, V. E. Kirichenko, V. I. Saloutin // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2007. - Vol. 43, № 5. - P656-659
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The reaction of fluorine-containing glycidyl ethers with various alcohols ( i-PrOH, MeOH, PhOH, 2,2,3,3-tetrafluoropropanol) in basic medium resulted in products of regioselective opening of the oxirane ring. In reaction of 2,2,3,3-tetrafluoropropyloxymethyloxirane with 2-propanol under conditions of phase-transfer catalysis the main product was the corresponding 1,2-diol (yield 42%).

\\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2007, 43 (5), 656-659.pdf
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10.
Инвентарный номер: нет.
   
   I-85


   
    Isomerization of monohydroperfluoroalkenes [Electronic resource] / T. I. Filyakova, A. Ya. Zapevalov, M. I. Kodess, M. A. Kurykin, L. S. German // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 1994. - Vol. 43, № 9. - P1526-1531
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Isomerization of monohydroperfluoro-1-alkenes HC(CF2)nCF=CF2 (n = 2 to 8) catalyzed by Lewis bases or acids (CsF, KHF2, and SbF5) under conditions of thermodynamic control affords equilibrium mixtures of all of the possible isomers resulting from migration of the double bond along the carbon chain. Under conditions of kinetic control, isomerization through the action of SbF5 gives -H-perfluoro-2-alkenes. The substantially higher proportion ofcis-isomers in the resulting monohydroperfluoroalkenes than in their perfluorinated analogs has been attributed to the effect of an intramolecular hydrogen bond

\\\\Expert2\\nbo\\Russian Chemical Bulletin\\1994, 43 (9), 1526.pdf
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11.
Инвентарный номер: нет.
   
   L 79


   
    Liquid-phase oxidation of trimethylhydroquinone catalyzed by copper(II) chloride in the presence of cellulose inorganic composites [Text] : доклад, тезисы доклада / A. B. Shishmakov, Yu. V. Mikushina, M. S. Valova, O. V. Koryakova, L. A. Petrov // III International Conference "Catalysis: Fundamentals and Application", dedicated to the 100th anniversary of Academician G. K. Boreskov, Novosibirsk, July 4-8 2007 : abstr. . - Novosibirsk, 2007. - P97-98
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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12.
Инвентарный номер: нет.
   


   
    Metal-free, Phl(OAc)2-promoted oxidative C(sp2)−H difunctionalization: synthesis of thioaminated naphthoquinones / S. Pal, R. Chatterjee, S. Santra [et al.] // Advanced synthesis and catalysis. - 2021. - Vol. 363, № 23. - P5300–5309
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
OXIDATIVE COUPLING -- PIDA -- NAPTHTHOQUINONE -- THIOAMINATION
Аннотация: A three-component thioamination reactionhas been developedin the presenceof phenyliodonium(III) diacetate(PIDA)leadingto the formationof a thioaminated products.This catalytic approach represents a method for the metal-freethioamination of 1,4-naphthoquinone. It was observed that maleimides also works moothly under this metal-free reaction condition. This present method implies the oxidative coupl in greaction through a one-stepprocess with the generationof CN and CS bonds.Various aromaticand aliphaticthiolsand amines provided the correspond ingthioaminated compounds in 62–88% yields.A plausiblere action path way has been predicted according to few control experiments.

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13.
Инвентарный номер: нет.
   
   M 94


   
    Multi-component Synthesis of Pyrrol-Copntaining Podands Under Heterogeneous Catalysis Conditions / O. V. Fedorova, I. G. Ovchinnikova, G. L. Rusinov, Yu. A. Titova, O. G. Sinyashin, O. A. Larionova // Advances in Experimental Medicine and Biology . - 2011. - Vol.699, Session 6 : Multi-component reactions in supramolecular chemistry and material science. - С. 173-201
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
SYNTHESIS -- PYRROL-CONTAINING -- PODANDS

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14.
Инвентарный номер: нет.
   
   M 94


   
    Multicomponent Synthesis of Pyrrol-containing Podands under Heterogeneous Catalysis Conditions [Text] / O. V. Fedorova, I. G. Ovchinnikova, G. L. Rusinov, Yu. A. Titova // IV International Conference "Multi-Component Reactions and Related Chemistry", Ekaterinburg, 24-28 May 2009. - Екатеринбург, 2009. - PS 6. - Bibliogr. : p. 6 (1 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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15.
Инвентарный номер: нет.
   
   N 21


   
    Nanosized metal oxides as stereoselective catalysts of the Hantzsch and Biginelli reactions [Text] : доклад, тезисы доклада / O. V. Fedorova, I. G. Ovchinnikova, V. G. Kharchuk, G. L. Rusinov, M. A. Uimin, A. A. Mysik, A. A. Ermakov, C. K. Rhee, V. N. Charushin // III International Conference "Catalysis: Fundamentals and Applications", dedicated to the 100-th annivas. of acad. G. K. Boreskov, Novosibirsk, July 4-8, 2007 : abstr. . - Novosibirsk, 2007. - Vol. II. - P44-45 : рис.
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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16.
Инвентарный номер: нет.
   
   N 52


   
    New metal catalysts in Fisher-Tropsh reactions and CO conversion [Text] : доклад, тезисы доклада / O. N. Chupakhin, L. A. Petrov, A. S. Seleznev, V. I. Kononenko // The Proceedings for the 36th ISTC Japan Workshop on Catalysis in Russia/CIS, Tokyo, 5 Dec., 2005 . - Tokyo, 2005. - P58-66
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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17.
Инвентарный номер: нет.
   
   O-97


   
    Oxidation of -cysteine in oxygen-saturated aqueous solution in the presence of Cu(II)-containing adjusted polymers [Text] / S. Y. Men'shikov, A. V. Vurasko, L. S. Molochnikov, E. G. Kovaleva, A. A. Efendiev // Journal of Molecular Catalysis A: Chemical. - 2000. - Т. 158, № 1. - P447-451
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: The influence of synthesis conditions of adjusted sorbents based on polyethylenepolyamine on catalytic properties of their Cu(II)-containing samples has been studied. It was shown that adjustment of sorbents leads to a significant increase in activity of Cu(II)-containing catalysts on their base.

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18.
Инвентарный номер: нет.
   
   O-97


   
    Oxidation trimethylhydrohynone in the present immobylizathion nitrohyl radical [Text] / Yu. A. Berdugin, Yu. V. Mikushina, V. G. Kharchuk, L. A. Petrov, Yu. G. Yatluk // III International Conference "Catalysis : Fundamentals and Application", dedeicated to the 100-th anniversary of Academician Georgii K. Boreskov : abstr. - Novosibirsk, Russia, 2007. - Vol. II. - P189-191. - Bibliogr. : p. 191 (2 ref.)
ББК 54
Рубрики: ХИМИЧЕСКИЕ НАУКИ

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19.
Инвентарный номер: нет.
   


   
    Oxidative C–H functionalization of arenes: main tool of 21st century green chemistry. A review / A. V. Shchepochkin, F. V. Antipin, V. N. Charushin, O. N. Chupakhin // Doklady Chemistry. - 2021. - Vol. 499, № 1. - P123-157
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Аннотация: Recent advances in the field of direct oxidative C–H functionalization of inactivated arenes, as one of the main tools of green chemistry, are discussed. Examples of building carbon–carbon, carbon–oxygen, carbon–nitrogen, and carbon–sulfur bonds, using catalysis with palladium compounds, oxidation with hypervalent iodine derivatives, and through electrochemical and photochemical transformations, are given.

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20.
Инвентарный номер: нет.
   


   
    Polystyrene stabilized iridium nanoparticles catalyzed chemo- and regio-selective semi-hydrogenation of nitroarenes to N-arylhydroxylamines / D. Bhattacherjee, G. V. Zyryanov, Shaifali [et al.] // Molecular catalysis. - 2021. - Vol. 514. - P111836
Рубрики: ХИМИЧЕСКИЕ НАУКИ
Кл.слова (ненормированные):
SUPPORTED IRIDIUM NANOPARTICLES -- N-ARYLHYDROXYLAMINE -- SEMI-HYDROGENATION
Аннотация: Polystyrene stabilized Iridium (Ir@PS) nanoparticles (NPs) as a heterogeneous catalyst have been developed and characterized by IR, UV–Vis, SEM, TEM, EDX and XRD studies. The prepared Ir@PS catalyst showed excellent reactivity for chemo- and regio-selective controlled-hydrogenation of functionalized nitroarenes to corresponding N-arylhydroxylamine using hydrazine hydrate as reducing source and environmentally benign polyethylene glycol (PEG-400) as green solvent. The present methodology was applied for vast substrate scope and found to be compatible with wide range of reducible functional groups. The reaction performed at 85 °C or ambient temperature and completed within 5–80 minutes. The catalyst can easily be filtered out from reaction mixture and reusable.

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