Hydrogenation of acetophenone
US4996374A · kind A · utility
12Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 15, 1989 |
| Grant date | Feb 26, 1991 |
| Priority date | — |
| Expiry date | Dec 15, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C29/145
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the hydrogenation of ACP to MBA over a supported palladium catalyst wherein a solvent comprised of ethylbenzene and/or MBA is employed and a small amount of water effective to suppress catalyst deactivation is incorporated in the feed. A further improvement comprises maintaining hydrogen pressure on the catalyst during and between hydrogenation runs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.