Method of preparing intermediates useful in synthesis of retroviral protease inhibitors
US6570027B2 · kind B2 · utility
1Cited by
16References
4Claims
0Family size
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Key dates
| Filing date | Apr 3, 2002 |
| Grant date | May 27, 2003 |
| Priority date | — |
| Expiry date | Apr 3, 2022 |
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.