Process for the preparation of dronedarone by oxidation of a sulphenyl group
US9249119B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2013 |
| Grant date | Feb 2, 2016 |
| Priority date | — |
| Expiry date | Feb 1, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D307/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a novel process for the preparation of dronedarone (I) and pharmaceutically acceptable salts thereof which comprises oxidizing a compound of formula (IV) or a salt thereof with an oxidizing agent in an organic or inorganic solvent or solvent mixture, and isolating the obtained product and, if desired, converting it into a pharmaceutically acceptable salt thereof. Further aspects of the invention include the novel intermediary compound of formula (IV), and a process for the preparation thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.