Process for the synthesis of 7,8-dimethoxy-1,3-dihydro-2H-3-benzazepin-2-one compounds, and application in the synthesis of ivabradine
US8927708B2 · kind B2 · utility
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Key dates
| Filing date | Mar 24, 2014 |
| Grant date | Jan 6, 2015 |
| Priority date | — |
| Expiry date | Mar 24, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C235/34
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process for the synthesis of the compound of formula (I):wherein R represents a para-methoxybenzyl (PMB) group or the following group:Application in the synthesis of ivabradine and addition salts thereof with a pharmaceutically acceptable acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.