Process for preparing 1,3-dihydroimidazole-2-thione derivatives
US10059696B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Feb 23, 2016 |
| Grant date | Aug 28, 2018 |
| Priority date | — |
| Expiry date | Feb 23, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C311/17
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for preparing (R)-5-(2-(benzylamino)ethyl)-1-(6,8-difluorochroman-3-yl)-1H-imidazole-2(3H)-thione, and pharmaceutically acceptable salts thereof, especially the hydrochloride salt. The invention also relates to a process for making intermediates useful in the formation of said compound, and to the intermediates, per se.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.