Process for the manufacture of phenylacetic acid and simple derivatives thereof
US4339594A · kind A · utility
1Cited by
1References
6Claims
0Family size
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Key dates
| Filing date | Oct 31, 1980 |
| Grant date | Jul 13, 1982 |
| Priority date | — |
| Expiry date | Oct 31, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/377
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Phenylacetic acid and the simple derivatives thereof are prepared by catalytic hydrogenation of mandelic acid and its appropriate derivatives in the presence of a noble metal catalyst in aqueous solution which is free from mineral acid, especially free from hydrochloric acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.