Methods for producing optically active valeric acid derivatives
US9938242B2 · kind B2 · utility
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Key dates
| Filing date | Sep 17, 2015 |
| Grant date | Apr 10, 2018 |
| Priority date | — |
| Expiry date | Sep 17, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method for producing a compound (3), which comprises allowing a compound (1) to react with hydrogen gas in an inert solvent, in the presence of a specific chiral ligand and a ruthenium catalyst, or in the presence of an asymmetric transition metal complex catalyst previously generated from the chiral ligand and the ruthenium catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.