Process for the manufacture of a product of the thiazolo [3,4,5-de] [4,1]benzothiazepine type
US7179909B2 · kind B2 · utility
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Key dates
| Filing date | Dec 6, 2004 |
| Grant date | Feb 20, 2007 |
| Priority date | — |
| Expiry date | Aug 9, 2025 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C271/28
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel processes for the preparation of a compound of the thiazolo[3,4,5-de] [4,1]benzothiazepine type and in particular of 2-imino-9-trifluoromethyl-4,5-dihydro-2H,7H-thiazolo[3,4,5-de] [4,1]benzothiazepine 6,6-dioxide methanesulfonate and (R,S)-2-imino-9-trifluoromethyl-4,5-dihydro-2H,7H-thiazolo[3,4,5-de] [4,1]benzothiazepine 6-oxide and its enantiomers and their pharmaceutically acceptable salts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.