Abstract

The defatted seed meal of common vetch (Vicia sativa L.) served as a source of (R)-oxynitrilase which catalyzed the enantioselective addition of HCN to aromatic, heteroaromatic, fluoro-substituted aromatic aldehydes to produce the corresponding enantiomeric pure cyanohydrins in yields of 52-100% and 88-99% ee at 12 degrees C under micro-aqueous medium (diisopropyl ether) without addition of buffer solution.

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