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Abstract
The enzymatic reduction of levulinic acid by the chiral catalysts Chiralidon®-R and Chiralidon®-S which are commercially available superabsorbed alcohol dehydrogenases is described. The Chiralidon®-R/S reduces the levulinic acid to the (R,S)-4-hydroxy valeric acid and the (R)- or (S)- gamma-valerolactone.
