Methods for stereoselective reduction
US8716479B2 · kind B2 · utility
19Cited by
19References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 24, 2008 |
| Grant date | May 6, 2014 |
| Priority date | — |
| Expiry date | Nov 14, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J69/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention is directed to a method to reduce a C—C double bond of an enone of a steroidal compound to produce a mixture of β ketone product and α ketone product, comprising treating a solution or suspension of the steroidal compound in a solvent with hydrogen gas in the presence of a catalyst and a substituted pyridine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.