Carbonylation process for the production of aromatic acids and derivatives thereof
US4507493A · kind A · utility
4Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 1984 |
| Grant date | Mar 26, 1985 |
| Priority date | — |
| Expiry date | Jul 6, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C69/76
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a process for the preparation of aryl carboxylic acids and derivatives thereof by the carbonylation of aryl sulfonyl chlorides. The aryl sulfonyl chlorides are reacted with carbon monoxide and water or an alcohol or amine in the presence of a zero-valent metal catalyst consisting essentially of palladium.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.