Intermediates for the synthesis of (R)-tamsulosin and of its pharmaceutically acceptable salts and process for their preparation
US7619116B2 · kind B2 · utility
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1References
12Claims
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Assignee
Inventors
Key dates
| Filing date | Dec 15, 2004 |
| Grant date | Nov 17, 2009 |
| Priority date | — |
| Expiry date | Mar 16, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A subject matter of the present invention is novel intermediates for the synthesis of (R)-tamsulosin and of its pharmaceutically acceptable salts, and also the associated preparation process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.