Process for the preparation of aromatic beta-diketones
US5015777A · kind A · utility
21Cited by
6References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 2, 1989 |
| Grant date | May 14, 1991 |
| Priority date | — |
| Expiry date | Nov 2, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/582
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of aromatic beta-diketones by the reaction of an acetophenone and a molar excess of an alphatic ester or an ester of benzoic acid in the presence of sodium alkoxide condensation agent in an aromatic hydrocarbon solvent. Also disclosed is a method of recycling the solvent and excess ester reactant after separation of the aromatic beta-diketone product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.