1.1.1.423 synthesis the enzyme catalyzes the oxidation of an isomer of ephedrine and the regio- and enantioselective reduction of sterically demanding substrate 1-phenyl-1,2-propanedione to give (R)-phenylacetylcarbinol 752351 1.1.1.423 industry the wide substrate spectrum of these dehydrogenases, combined with their regio- and enantioselectivity, suggests a high potential for the industrial production of valuable chiral compounds 752351 1.1.1.423 synthesis the wide substrate spectrum of these dehydrogenases, combined with their regio- and enantioselectivity, suggests a high potential for the industrial production of valuable chiral compounds 752351