Method for the preparation of tetrahydrobenzothiepines
US6794544B2 · kind B2 · utility
3Cited by
14References
45Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2002 |
| Grant date | Sep 21, 2004 |
| Priority date | — |
| Expiry date | Dec 25, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D487/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Among its several embodiments, the present invention provides an improved process for the preparation of tetrahydrobenzothiepine-1,1-dioxide compounds; the provision of a process for preparing a diastereomeric mixture of tetrahydrobenzothiepine-1,1-dioxide compounds from a single diastereomer of such compounds; the provision of a process for the preparation of 3-bromo-2-substituted propionaldehyde compounds; and the provision of a process for the preparation of 3-thio-2-substituted propionaldehyde compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.