Journal
MOLECULES
Volume 26, Issue 15, Pages -Publisher
MDPI
DOI: 10.3390/molecules26154466
Keywords
biocatalysis; green chemistry; nitriles; aldoxime dehydratases; sustainability
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Nitriles are widely used chemicals, and aldoxime dehydratases offer cyanide-free synthesis as sustainable alternatives for industrial processes, with high catalytic efficiency and substrate loading capacity.
Nitriles comprise a broad group of chemicals that are currently being industrially produced and used in fine chemicals and pharmaceuticals, as well as in bulk applications, polymer chemistry, solvents, etc. Aldoxime dehydratases catalyze the cyanide-free synthesis of nitriles starting from aldoximes under mild conditions, holding potential to become sustainable alternatives for industrial processes. Different aldoxime dehydratases accept a broad range of aldoximes with impressive high substrate loadings of up to >1 Kg L-1 and can efficiently catalyze the reaction in aqueous media as well as in non-aqueous systems, such as organic solvents and solvent-free (neat substrates). This paper provides an overview of the recent developments in this field with emphasis on strategies that may be of relevance for industry and sustainability. When possible, potential links to biorefineries and to the use of biogenic raw materials are discussed.
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