Process for the preparation of 2-alkylthio benzoic acid derivatives
US6777575B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Mar 28, 2000 |
| Grant date | Aug 17, 2004 |
| Priority date | — |
| Expiry date | Oct 28, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C319/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing a compound of the formula comprising reacting a compound of the formula wherein R3 is nitro or halo, or a salt thereof, with a compound of the formula R1SX (III) wherein X is hydrogen or alkali metal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.