Selective electrochemical reduction of halogenated 4-aminopicolinic acids
US6352635B1 · kind B1 · utility
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5References
12Claims
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Key dates
| Filing date | Jan 12, 2001 |
| Grant date | Mar 5, 2002 |
| Priority date | — |
| Expiry date | Jan 12, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC25B3/25
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Halogen substituents in the 5-position of 4-aminopicolinic acids are selectively reduced in the presence of halogen substituents in the 3- and 6-positions by electrolysis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.