Relevant bibliographies by topics / 1,2-epoxyoctane

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  1. Journal articles
  2. Dissertations / Theses

Academic literature on the topic '1,2-epoxyoctane'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 February 2022

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Journal articles on the topic "1,2-epoxyoctane"

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Wang, Yang-yang, Ya-wei Liu, Xu Kang, Xiao-li Zhao, Lin Wang, Chuo-zhao Hu, Fu-yi Liu, Liu-si Sheng, and Lin-fan Zhu. "Dissociative Photoionization of 1,2-Epoxyoctane Studied with Synchrotron Radiation." Chinese Journal of Chemical Physics 29, no. 5 (October 27, 2016): 533–38. http://dx.doi.org/10.1063/1674-0068/29/cjcp1603053.

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Krieg, H. "Resolution of 1,2-epoxyoctane by enantioselective catalytic hydrolysis in a membrane bioreactor." Journal of Membrane Science 180, no. 1 (December 1, 2000): 69–80. http://dx.doi.org/10.1016/s0376-7388(00)00525-1.

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Lee, Siew Ling, Hadi Nur, and Soo Chien Wei. "Effect of Acid Treatment on Silica-Titania Aerogel as Oxidative-Acidic Bifunctional Catalyst." Applied Mechanics and Materials 110-116 (October 2011): 457–64. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.457.

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Acid treatment using H2SO4, HCl and H3PO4 has been carried out in an attempt to improve catalytic performance of silica-titania aerogel. X-ray diffraction results showed the amorphous structure of the aerogels remained after the acid impregnation and calcinations steps. Hammert analysis revealed these acid modified silica-titania aerogels were superacids with pKa < -14.52. Different Ti species was observed in the samples upon the acid treatment. As compared to silica-titania aerogel, Lewis acidity increased remarkably in HCl treated sample without formation of any Brønsted acid site. Meanwhile, H2SO4 and H3PO4 treated samples possessed both Lewis and Brønsted acid sites. The catalytic performance of these samples was evaluated through a consecutive transformation of 1-octene to 1,2-octanediol through the formation of 1,2-epoxyoctane using aqueous hydrogen peroxide as oxidant.
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van der Meer, A. B., W. A. Miedema, K. Ch A. M. Luyben, and A. A. C. M. Beenackers. "Modelling the inhibitory effect of 1,2-epoxyoctane on the growth kinetics of Pseudomonas oleovorans." Chemical Engineering Journal and the Biochemical Engineering Journal 53, no. 1 (November 1993): B13—B24. http://dx.doi.org/10.1016/0923-0467(93)80012-l.

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5

Krieg, H. M., A. L. Botes, M. S. Smit, J. C. Breytenbach, and K. Keizer. "The enantioselective catalytic hydrolysis of racemic 1,2-epoxyoctane in a batch and a continuous process." Journal of Molecular Catalysis B: Enzymatic 13, no. 1-3 (April 2001): 37–47. http://dx.doi.org/10.1016/s1381-1177(00)00229-0.

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6

Serrano, David P., Rafael van Grieken, Juan Antonio Melero, and Alicia García. "Effect of the Al-MCM-41 properties on the catalytic liquid phase rearrangement of 1,2-epoxyoctane." Applied Catalysis A: General 319 (March 2007): 171–80. http://dx.doi.org/10.1016/j.apcata.2006.12.001.

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7

Nur, Hadi, Izan Izwan Misnon, and Lim Kheng Wei. "Stannic Oxide-Titanium Dioxide Coupled Semiconductor Photocatalyst Loaded with Polyaniline for Enhanced Photocatalytic Oxidation of 1-Octene." International Journal of Photoenergy 2007 (2007): 1–6. http://dx.doi.org/10.1155/2007/98548.

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Stannic oxide-titanium dioxide (SnO2–TiO2) coupled semiconductor photocatalyst loaded with polyaniline (PANI), a conducting polymer, possesses a high photocatalytic activity in oxidation of 1-octene to 1,2-epoxyoctane with aqueous hydrogen peroxide. The photocatalyst was prepared by impregnation ofSnO2and followed by attachment of PANI onto aTiO2powder to give sample PANI-SnO2–TiO2. The electrical conductivity of the system becomes high in the presence of PANI. Enhanced photocatalytic activity was observed in the case of PANI-SnO2–TiO2compared to PANI-TiO2,SnO2–TiO2, andTiO2. A higher photocatalytic activity in the oxidation of 1-octene on PANI-SnO2–TiO2thanSnO2–TiO2, PANI-TiO2, andTiO2can be considered as an evidence of enhanced charge separation of PANI-SnO2–TiO2photocatalyst as confirmed by photoluminescence spectroscopy. It suggests that photoinjected electrons are tunneled fromTiO2toSnO2and then to PANI in order to allow wider separation of excited carriers.
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Jaiswal, Pooja, and Mahesh N. Varma. "Catalytic performance of imidazolium based ILs in the reaction of 1,2-epoxyoctane and carbon dioxide: Kinetic study." Journal of CO2 Utilization 14 (June 2016): 93–97. http://dx.doi.org/10.1016/j.jcou.2016.03.005.

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van Grieken, Rafael, David P. Serrano, Juan Antonio Melero, and Alicia García. "Effect of the solvent in the liquid phase rearrangement of 1,2-epoxyoctane over Al-MCM-41 and Al-TS-1 catalysts." Journal of Molecular Catalysis A: Chemical 222, no. 1-2 (November 2004): 167–74. http://dx.doi.org/10.1016/j.molcata.2004.07.019.

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10

KAWAKAMI, KOEI. "Characterization of Production of 1,2-Epoxyoctane from 1-Octene by Nongrowing Cells of Nocardia corallina B-276 in Aqueous-Organic Media." Annals of the New York Academy of Sciences 613, no. 1 Enzyme Engine (December 1990): 707–11. http://dx.doi.org/10.1111/j.1749-6632.1990.tb18250.x.

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Dissertations / Theses on the topic "1,2-epoxyoctane"

1

Le, Roux Ilani. "Optimisation of conditions for the resolution of 1,2-epoxyoctane in a bioreactor / I. le Roux." Thesis, North-West University, 2003. http://hdl.handle.net/10394/274.

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Due to recent legislation requiring the determining of the pharmacokinetic effect of both enantiomers separately, of any new racemic drug before commercialisation, much research is done to improve and optimise methods for obtaining chirally pure compounds important for the pharmaceutical industry, for example epoxide precursors. To date most experiments regarding the biocatalytic chiral separation of 1,2-epoxyoctane has been done in batch processes. The aim of this study was to optimise the enantioselective hydrolysis of 1,2-epoxyoctane by Rhodosporidiurn tondoides in both a batch and continuous process. The batch process was optimised in terms of stir speed, biomass (cell) concentration and reaction time, while the flow-through reactor (continuous process) was optimised with regards to the flow rate as a function of the pressure and the amount of chitosan and biomass in the reactor. Initial inconsistencies of epoxide concentrations in preliminary studies were found to be due to adsorption by reaction and sampling vessels, and the lower than expected solubility of 1,2- epoxyoctane (3.85 mM instead of 6 mM as reported by previous investigators). The results from the batch process suggest that as the reaction time increases, the % ee-epox increases initially, but decreases after 40 minutes. Optimum yield in terms of % ee-epox were obtained at medium stir speed (400 rpm) and biomass (cell) concentration (13 %). Below these values the % ee-epox increases with an increase in stir speed and/or biomass concentration. Above these values however, the increased stir speed and/or biomass concentration causes abrasion between cells, which negatively affects the % ee-epox. The % ee-diol reached a steady state after 10 minutes, and the effect of the different operating conditions on % ee-diol was negligible. In the flow-through reactor chitosan was used as a spacer material (antifouling agent) to help decrease the fouling due to biomass deposition. The use of chitosan as a spacer ensured higher and stabilised flow rates for extended periods of time. In initial studies 0.5 g chitosan increased the flow rate by 34 % with a resistance removal of 25 %. For 1 g chitosan these values were 130 % flow increase and 57 % resistance removal. The flow rate was optimised in relation to the chitosan amount, biomass (cell) amount and pressure. The maximum flow rate was obtained at a pressure of 40 kPa, using the minimum amount of cells (0.4 g) and a maximum amount of chitosan (1.6 g)
Thesis (M.Sc.)--North-West University, Potchefstroom Campus, 2004.
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Maritz, Jana. "The stabilisation of epoxide hydrolase activity / Jana Maritz." Thesis, Potchefstroom University for Christian Higher Education, 2002. http://hdl.handle.net/10394/1478.

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Journal articles
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