Esterification of carboxylic acid salts
US5777151A · kind A · utility
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1References
34Claims
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Key dates
| Filing date | Sep 24, 1992 |
| Grant date | Jul 7, 1998 |
| Priority date | — |
| Expiry date | Sep 24, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D213/803
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Mono- or polycarboxylic acid esters are prepared by reacting a salt of such carboxylic acid with an organic halocompound, e.g., a (cyclo)alkyl, (cyclo)alkenyl, aryl or aralkyl halide, in an aqueous reaction medium, in the presence of a catalytically effective amount of a phase transfer catalyst, for example an onium salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.