Summary
A novel method for total conversion of racemic mandelic acid into its (R)-enantiomer was developed. The method consists of enantioselective oxidation of (S)-(+)-mandelic acid byAlcaligenes bronchisepticus KU 1201 and NADH-dependent asymmetric reduction of resulting benzoylformic acid to (R)-mandelic acid with cell-free extract ofStreptococcus faecalis IFO 12964.
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Tsuchiya, S., Miyamoto, K. & Ohta, H. Highly efficient conversion of (±)-mandelic acid to its (R)-(−)-enantiomer by combination of enzyme-mediated oxidation and reduction. Biotechnol Lett 14, 1137–1142 (1992). https://doi.org/10.1007/BF01027017
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DOI: https://doi.org/10.1007/BF01027017