Process and intermediates for the preparation of benzo[b]thiophene compounds
US11312708B2 · kind B2 · utility
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7Claims
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Key dates
| Filing date | Feb 7, 2020 |
| Grant date | Apr 26, 2022 |
| Priority date | — |
| Expiry date | Feb 7, 2040 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D417/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing compounds of formula (I), or a salt or solvate thereof, including Brexpiprazole, which process comprises cyclization of a compound of formula (II) or (III), or a salt or solvate thereof. The invention also refers to intermediates of said process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.