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Title:Preparation of enantiomers using high pressure technologies
Authors:ID Thorey, Paul (Author)
ID Maja, Habulin (Mentor) More about this mentor... New window
ID Simandi, Bela (Comentor)
Files:.pdf DR_Thorey_Paul_2011.pdf (6,25 MB)
MD5: 35BA1C8653BBD9C7B00377352C02F2A4
PID: 20.500.12556/dkum/52d3f311-743b-4437-8089-2bc9e0359f94
 
Language:English
Work type:Dissertation
Organization:FKKT - Faculty of Chemistry and Chemical Engineering
Abstract:The study of two different methods of obtaining chiral alcohols is proposed herein. The requirement of the relatively new paradigm of green chemistry associated with clean technologies such as biocatalysis or non-conventional solvents, dense gases, was focused at. Indeed, the two methods of production of chiral alcohols were: - the conversion of acetophenone into (R)-1-phenylethanol in dense gases catalysed by Lactobacillus brevis alcohol dehydrogenase and its coenzyme, NADP/H; - the resolution of (±)-trans-1,2-cyclohexanediol by cocrystal formation with tartaric acid followed by supercritical extraction. In both cases high enantiopurities were achieved (ee>99%).
Keywords:High-pressure technologies, enantiomers, green chemistry, R-1-phenylethanol, Lactobacillus brevis, alcohol dehydrogenase, NADP, liquid propane, enzyme deactivation, resolution, trans-1, 2-cyclohexanediol, tartaric acid, cocrystal, supercritical carbon dioxide, extraction, X-ray diffraction, differential scanning calorimetry
Place of publishing:Maribor
Publisher:[P. Thorey]
Year of publishing:2010
PID:20.500.12556/DKUM-17423 New window
UDC:66-987:544.122.3(043.3)
COBISS.SI-ID:14769942 New window
NUK URN:URN:SI:UM:DK:EEHKUWVK
Publication date in DKUM:02.02.2011
Views:3170
Downloads:171
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FKKT
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Secondary language

Language:Slovenian
Title:Priprava enantiomer z uporabo visokotlačnih tehnologij
Abstract:V študiji sta podani dve različni metodi za pridobivanje kiralnih alkoholov. Doktorsko delo je osredotočeno predvsem na orodja »zelene kemije«, ki so povezana s čistimi tehnologijami kot sta biokataliza ali nekonvencionalna topila in zgoščeni plini. Obe metodi za pridobivanje kiralnih alkoholov se navezujeta na: - Presnovo acetofenona v (R)-1-feniletanol v zgoščenem plinu, katalizirano z alkohol dehidrogenazo iz Lactobacillus brevis in koencimom, NADP/H; - Resolucijo (±)-trans-1,2-cikloheksandiola v obliki nastajanja kokristala s tartarno kislino in s superkritično ekstrakcijo. V obeh primerih je bil izkoristek pridobivanja enantiomerno čistih komponent zelo visok (ee>99%).
Keywords:Visokotlačne tehnologije, enantiomere, zelena kemija, R-1-feniletanol, Lactobacillus brevis, alkohol dehidrogenaza, NADP, tekoči propan, deaktivacija encima, resolucija, trans-1, 2-cikloheksandiol, tartarna kislina, kokristal, superkritični ogljikov dioksid, ekstrakcija, rentgenska difrakcija (XRD), termična (DSC) analiza


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