Processes for preparing hydrocinnamic acid
US5939581A · kind A · utility
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11References
11Claims
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Key dates
| Filing date | Aug 20, 1997 |
| Grant date | Aug 17, 1999 |
| Priority date | — |
| Expiry date | Aug 20, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/60
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Processes for preparing aromatic carboxylic acids. Cinnamaldehyde is hydrogenated to produce a mixture of hydrogenation products, namely, hydrocinnamaldehyde and hydrocinnamic alcohol. The mixture is then oxidized using a suitable oxidizing agent to substantially completely convert both hydrocinnamaldehyde and hydrocinnamic alcohol to hydrocinnamic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.