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Relevant bibliographies by topics / Cyclooctane

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Journal articles

Academic literature on the topic 'Cyclooctane'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 February 2022

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Journal articles on the topic "Cyclooctane"

1

Trakarnpruk, Wimonrat, Apiwat Wannatem, and Jutatip Kongpeth. "Polyoxometalates catalysts in the oxidation of cyclooctane by hydrogen peroxide." Journal of the Serbian Chemical Society 77, no. 11 (2012): 1599–607. http://dx.doi.org/10.2298/jsc111124040t.

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A Keggin-type tungstocobaltate, [Co(2,2'- bipy)3]2H2[CoW12O40]?9.5H2O ([Co]CoW) and tetrabutylammonium salt of vanadium-substituted tungstophosphates [(n-C4H9)4N]4[PVW11O40], [(n-C4H9)4N]5[PV2W10O40] (PVW, PV2W) were used as catalyst for oxidation of cyclooctane with H2O2 as oxidant in acetonitrile. The activity of [(n-C4H9)4N4H[PCo(H2O)W11O39]?2H2O (PCoW) was also compared. The products of the reaction were cyclooctanone, cyclooctanol and cyclooctyl hydroperoxide. The experimental results showed that at H2O2/cyclooctane molar ratio = 3 at 80?C, in 9 h the [Co]CoW yielded higher conversion and

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2

Allen, F. H., J. A. K. Howard, and N. A. Pitchford. "Symmetry-modified conformational mapping and classification of the medium rings from crystallographic data. IV. Cyclooctane and related eight-membered rings." Acta Crystallographica Section B Structural Science 52, no. 5 (1996): 882–91. http://dx.doi.org/10.1107/s0108768196007409.

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Crystallographic observations of eight-membered ring conformations, retrieved from the Cambridge Structural Database, have been mapped and classified using symmetry-adapted deformation coordinates, principal component analysis and cluster analysis. Seven subsets of eight-membered rings, containing 11–32 conformational observations, have been analysed: cyclooctane (dataset 8C1), cyclooctene (8C2), cycloocta-1,3-diene (8C3), mono-exo-unsaturated carbocycles (8C4), monohetero (8A1), 1,5-dihetero (8A2) and 1,3,5,7-tetrahetero rings (8A3). The energetically preferred (by ~7 kJ mol−1) boat-chair for

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3

Chow, Yuan L., and Huali Li. "Light-promoted catalysis of nickel hydride complexes in the isomerization and hydrogenation of cis,cis-1,5-cyclooctadiene: mechanistic studies." Canadian Journal of Chemistry 64, no. 11 (1986): 2229–31. http://dx.doi.org/10.1139/v86-367.

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Xanthone-sensitized photoreduction of Ni(acac)2 in benzene under hydrogen, in the presence of cis,cis-1,5-cyclooctadiene (1,5-COD), causes isomerization and hydrogenation of the diene according to the consecutive transformation 1,5-COD → 1,4-COD → 1,3-COD → cyclooctene → cyclooctane. Evidence was provided that (i) a nickel hydride complex was generated, (ii) the sensitized excitation of this complex caused addition to the double bond, (iii) subsequent elimination caused isomerization, and (iv) triplet excited xanthone sensitized the transformations.

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4

Salamci, Emine, and Yunus Zozik. "Stereoselective syntheses of 3-aminocyclooctanetriols and halocyclooctanetriols." Beilstein Journal of Organic Chemistry 17 (March 11, 2021): 705–10. http://dx.doi.org/10.3762/bjoc.17.59.

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The efficient synthesis of two new stereoisomeric 3-aminocyclooctanetriols and their new halocyclitol derivatives starting from cis,cis-1,3-cyclooctadiene are reported. Reduction of cyclooctene endoperoxide, obtained by photooxygenation of cis,cis-1,3-cyclooctadiene, with zinc yielded a cyclooctene diol followed by acetylation of the hydroxy group, which gave dioldiacetate by OsO4/NMO oxidation. The cyclooctane dioldiacetate prepared was converted to the corresponding cyclic sulfate via the formation of a cyclic sulfite in the presence of catalytic RuO4. The reaction of this cyclic sulfate wit

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5

Salamci, Emine, Reşat Ustabaş, Ufuk Çoruh, Metin Yavuz, and Ezequiel M. Vázquez-López. "Cyclooctane-1,2,5,6-tetrayl tetraacetate." Acta Crystallographica Section E Structure Reports Online 62, no. 6 (2006): o2401—o2402. http://dx.doi.org/10.1107/s1600536806018204.

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6

Lisicki, Dawid, and Beata Orlińska. "Oxidation of cycloalkanes catalysed by N-hydroxyimides in supercritical carbon dioxide." Chemical Papers 74, no. 2 (2019): 711–16. http://dx.doi.org/10.1007/s11696-019-00937-0.

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Abstract This paper reports cyclopentane, cyclohexane and cyclooctane oxidation in the presence of N-hydroxyphthalimide or 4-dodecyloxycarbonyl-N-hydroxyphthalimide in combination with Co(II) and Fe(II) salts using O2/CO2 mixture (0.5 MPa O2, 9.5 MPa CO2). The studies demonstrated that the application of scCO2 in cyclohexane and cyclooctane oxidation processes results in higher conversion and yield of respective ketone and alcohol in comparison to processes performed using air under pressure (0.7 MPa).

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7

LaVerne, Jay A., and Laszlo Wojnarovits. "Heavy-Ion Radiolysis of Cyclooctane." Journal of Physical Chemistry 99, no. 24 (1995): 9862–68. http://dx.doi.org/10.1021/j100024a030.

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8

Gheorghe, Daniela, Ana Neacsu, and Stefan Perisanu. "Thermochemistry of Eight Membered Ring Hydrocarbons. The Enthalpy of Formation of Cyclooctane." Revista de Chimie 71, no. 3 (2001): 507–15. http://dx.doi.org/10.37358/rc.20.3.8025.

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A new value of the enthalpy of formation of cyclooctane (-156.2�1.2 kJ mol-1) based on heat of combustion measurements is reported. Its solid - liquid phase change was investigated by differential scanning calorimetry in both directions revealing an overcooling effect of over 23 K. Our enthalpy of formation of cyclooctane was used together with literature values of heats of hydrogenation of 8 carbon atoms cycloolefins to calculate the enthalpies of formation of the later. The strain energies of the investigated molecules were calculated and discussed.

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9

Maris, T., M. J. Henson, S. J. Heyes, and Keith Prout. "Investigations of the Phase Transitions in Thiourea Inclusion Compounds with Cycloheptane, Cyclooctane, and Cyclooctanone." Chemistry of Materials 13, no. 8 (2001): 2483–92. http://dx.doi.org/10.1021/cm991173u.

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10

Bożek, Barbara, Patrícia Neves, Marcin Oszajca, et al. "Simple Hybrids Based on Mo or W Oxides and Diamines: Structure Determination and Catalytic Properties." Catalysis Letters 150, no. 3 (2019): 713–27. http://dx.doi.org/10.1007/s10562-019-02935-z.

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Abstract Crystalline hybrid catalysts based on molybdenum or tungsten oxide and aliphatic diamines were synthesized via simple, eco-friendly reproducible methodologies, starting from commercially available and relatively inexpensive organic and inorganic precursors, and using water as solvent under mild conditions. The crystal structures of the obtained fine powdered solids were solved ab initio from powder X-ray diffraction data. The type of organic component (1,2-diaminoethane, 1,2-diaminopropane, 1,3-diaminopropane) may play a structure-directing role. On the other hand, different metals (M

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