Process for preparing beta-methyl-gamma-oxo-4-(4-oxo-1(4H)-pyridinyl) derivative of benzene butanoic acid
US4782159A · kind A · utility
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8Claims
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Key dates
| Filing date | Jan 29, 1988 |
| Grant date | Nov 1, 1988 |
| Priority date | — |
| Expiry date | Jan 29, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D213/68
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the prepartion of 3-[4-(4-oxo-1,4-dihydropyridin-1-yl)benzoyl]butanoic acid which comprises the reaction of 3-(4-fluorobenzoyl)butanoic acid with 4-hydroxypyridine under aqueous conditions in the presence of a base.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.