3 years ago

Improved biooxidation of Benzyl alcohols catalyzed by the flavoprotein (5-Hydroxymethyl)furfural oxidase in organic solvents

Improved biooxidation of Benzyl alcohols catalyzed by the flavoprotein (5-Hydroxymethyl)furfural oxidase in organic solvents
The biooxidation of benzylic alcohols catalyzed by (5-hydroxymethyl)furfural oxidase (HMFO) to the corresponding benzaldehydes or benzoic acids was investigated in the presence of various organic (co)solvents. Whereas the enzyme activity decreased at elevated concentrations of water-miscible polar solvents, the presence of (halogenated) hydrocarbons was tolerated up to 90% (v/v), which led to drastically improved conversions of up to >99% in case of hexafluorobenzene. This remarkable effect was correlated with the improved solubility of O2 in the employed solvents. Reaction rates were boosted by O2-saturation of solvents.

Publisher URL: www.sciencedirect.com/science

DOI: S0040402017307809

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