Process for the catalytic decarboxylative cross-ketonization of aryl and aliphatic carboxylic acid
US11708317B2 · kind B2 · utility
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Key dates
| Filing date | Dec 22, 2020 |
| Grant date | Jul 25, 2023 |
| Priority date | — |
| Expiry date | Oct 1, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention pertains to a process for the cross-ketonization (Piria reaction) between an aryl carboxylic acid and an aliphatic carboxylic acid using a metal-based compound and a slight or a moderate excess of aryl carboxylic acid. A good selectivity, up to 99 mol %, can be achieved. The aryl aliphatic ketone can be used for the preparation of surfactants and other downstream products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.