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US 5,707,837 AGranted
Method of producing (R)-tertiary leucine
AssigneeDegussa AG
InventorsKarlheinz Drauz, Andreas Bommarius, Matthias Kottenhahn
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Abstract
A method is disclosed by which N-carbamoyl-(R)-tert.-leucine is obtained from tert-butyl hydantoin by means of an (R)-specific hydantoinase, in which N-carbamoyl-(R)-tert.-leucine is converted by reaction with nitrite or an (R)-carbamoylase to (R)-tert-leucine.
Claims7
A method of producing (R)-tertiary leucine, wherein tertiary butyl hydantoin is reacted with an (R)-hydantoinase to produce N-carbamoyl-R-tertiary leucine, the N-carbamoyl-R-tertiary leucine is further reacted to (R)-tertiary leucine either by another enzyme reaction with carbamoylase or by compounding with nitrite.
Dependencies are inferred from the claim text.