Process for preparing carboxylic acids and derivatives thereof
US7186856B2 · kind B2 · utility
42Cited by
11References
90Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 7, 2002 |
| Grant date | Mar 6, 2007 |
| Priority date | — |
| Expiry date | Mar 25, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Processes for preparing carboxylic acids and derivatives thereof in which an ammonium salt of the carboxylic acid is heated in the presence of an organic reagent to split the salt and form the acid or, where the organic reagent is an esterifying agent, the corresponding ester. Both the acid and the ester may be dehydrated to form unsaturated counterparts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.