Ruthenium catalysts and their use for asymmetric reduction of ketones
US9029540B2 · kind B2 · utility
0Cited by
1References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 24, 2014 |
| Grant date | May 12, 2015 |
| Priority date | — |
| Expiry date | Jun 24, 2034 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J2531/821
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed are novel ruthenium compounds of formula (Ia) and (Ib):wherein R1 and the moiety are defined herein. Also disclosed is a process for using these novel ruthenium compounds as catalysts for asymmetric hydrogenation and transfer hydrogenation of ketones with high reactivities and excellent selectivities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.