Patent ID: 11905534
Assignee: SHANGHAI QIZHOU ZIYUE BIOTECHNOLOGY CO., LTD
Field: Biotechnology (Chemistry)
Classification: CPC C | IPC C

Claim 6:
7. A method for preparing an L-glufosinate salt, comprising:
(a) subjecting a D-glufosinate salt is subjected to an oxidation reaction to obtain the 2-oxo-4-(hydroxymethylphosphinyl) butyrate in the presence of a D-amino acid oxidase; and
(b) subjecting 2-oxo-4-(hydroxymethylphosphinyl) butyrate of step (a) to an amination reaction to obtain an L-glufosinate salt in the presence of a reaction solvent, an L-glutamate dehydrogenase mutant of claim 2, an inorganic amino donor and a reduced coenzyme NADPH.