Process for the selective mono-ortho-hydroxyalkylation of 4-substituted pyridine derivatives
US5693819A · kind A · utility
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Key dates
| Filing date | Dec 27, 1993 |
| Grant date | Dec 2, 1997 |
| Priority date | — |
| Expiry date | Dec 27, 2013 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D213/84
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process is described for the selective mono-ortho-hydroxyalkylation of 4-substituted pyridine derivatives. In this case a nucleophilic hydroxyalkylation is carried out on the protonated pyridine derivative under the action of peroxodisulfate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.