Sythesizing Isopentyl Acetate by the Fischer Esterification Video
Fischer Esterification Sythesizing Isopentyl Acetate by the Fischer EsterificationYou May Also Find These Documents Helpful
Published in The Journal of Supercritical Fluids in Isoamyl acetate was successfully synthesized from isoamyl alcohol in supercritical carbon dioxide by enzymatic catalysis. First, the impact of the acyl donor was investigated. Among several reactants, including acetic acid and two different acetates, acetic anhydride gave best yields. Then, two different immobilized lipases Novozym from Candida antarctica and Lipozyme RM-IM from Rhizomucor miehei as biocatalysts for the above-mentioned reaction were compared.
The amount of enzyme preparation was optimised to 6. The effect of substrates load in the solvent was investigated. Pressure in the range of MPa showed no effect on this reaction, while an increase in temperature over K led to lower production of isoamyl acetate.
★ Acetate esters
Novozym was very stable not finding any loss of activity during one month of continuous operation. Finally, carbon dioxide was compared to a conventional organic solvent n-hexane. Initial reaction rate was higher in SC-CO2, although final Isopentyp extent was similar in both media. C Elsevier B. All rights reserved. Log in.
Web of Science. Identifiers publons. Navigate Abstract. Publication History. Enzymatic synthesis of isoamyl acetate with immobilized Candida antarctica lipase in supercritical carbon dioxide Published in The Journal of Supercritical Fluids in Abstract Isoamyl acetate was successfully synthesized from isoamyl alcohol in supercritical carbon dioxide by enzymatic catalysis.
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