Enzymatic process for the preparation of Droxidopa
US11434197B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Jun 7, 2019 |
| Grant date | Sep 6, 2022 |
| Priority date | — |
| Expiry date | Sep 2, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the preparation of Droxidopa by means of an improved enzymatic reduction of a compound of formula (II): (II), wherein R1, R2 is independent hydrogen, acetyl, R3 is hydrogen, a C1-C4 linear or branched alkyl group and R4 is hydrogen or an amine protecting group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.