Methods for stereoselective reduction
US9238672B2 · kind B2 · utility
14Cited by
44References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 2, 2014 |
| Grant date | Jan 19, 2016 |
| Priority date | — |
| Expiry date | May 2, 2034 |
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.