Process for producing 5-carboxy-2-acetylthiophene
US4153610A · kind A · utility
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Key dates
| Filing date | Nov 1, 1977 |
| Grant date | May 8, 1979 |
| Priority date | — |
| Expiry date | Nov 1, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D333/24
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
5-Carboxy-2-acetylthiophene, which is useful as an intermediate for the production of a therapeutic agent, can be prepared in a high yield by the selective oxidation of 5-acetyl-2-thienylacetic acid or its derivative with a particularly selected oxidizing agent, i.e. permanganate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.