Method for preparing intermediates useful in synthesis of retroviral protease inhibitors
US6974876B2 · kind B2 · utility
2Cited by
17References
20Claims
0Family size
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Key dates
| Filing date | Feb 10, 2003 |
| Grant date | Dec 13, 2005 |
| Priority date | — |
| Expiry date | Nov 8, 2023 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/14
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A synthesis is described for intermediates which are readily amenable to the large scale preparation of hydroxyethylurea-based chiral HIV protease inhibitors. The method includes forming a diastereoselective epoxide from a chiral alpha amino aldehyde.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.