Process for the preparation of crystalline forms of agomelatine and novel polymorph thereof
US9024068B2 · kind B2 · utility
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5Claims
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Key dates
| Filing date | Dec 29, 2011 |
| Grant date | May 5, 2015 |
| Priority date | — |
| Expiry date | Dec 29, 2031 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C231/24
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention concerns a new process for the preparation of crystalline form of agomelatine from a solution of agomelatine in a solvent, characterized in that the agomelatine is crystallized by instantaneous precipitation from said solution, at a temperature equal to or below −10° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.