Process for the preparation of 7-amino syn 3,5-dihydroxy heptanoic acid derivatives, intermediates thereof and methods for their preparation
US7504532B2 · kind B2 · utility
0Cited by
7References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2007 |
| Grant date | Mar 17, 2009 |
| Priority date | — |
| Expiry date | Nov 16, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Synthesis methods for the preparation of intermediates which are suitable for the preparation of statin derivatives, and especially to synthesis methods for the intermediate of formula (VI) wherein Ra′ and Rc′ are each independently of the other hydrogen or hydroxy-protecting group, or together are a bridging hydroxy-protecting group; and Rb is a carboxy-protecting group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.