Preparation method of rosuvastatin calcium and its intermediates
US8653265B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | May 27, 2009 |
| Grant date | Feb 18, 2014 |
| Priority date | — |
| Expiry date | Jul 6, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D239/42
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A preparation method of rosuvastatin calcium (Formula 1), which can be used for the production of medicament lowering the levels of LDL-cholesterol and triglycerides in vivo, is provided. Such preparation method is suitable for industrial production. Furthermore, the intermediate crystallines used in the preparation method are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.