Process for preparing phenoxypyridine derivatives
US7790885B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 27, 2007 |
| Grant date | Sep 7, 2010 |
| Priority date | — |
| Expiry date | Aug 16, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D401/12
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing a compound represented by the formula (I):comprising reacting a compound represented by the formula (II) or salt thereof:with a compound represented by the formula (III):in the presence of a condensation reagent,wherein R1 represents 1) optionally substituted azetidin-1-yl, 2) optionally substituted pyrrolidin-1-yl, 3) optionally substituted piperidin-1-yl, etc.; R2, R3, R4 and R5 may be the same or different and each represents hydrogen or fluorine; and R6 represents hydrogen or fluorine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.