Method of preparing intermediates for retroviral protease inhibitors
US5872299A · kind A · utility
2Cited by
14References
2Claims
0Family size
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Inventors
Key dates
| Filing date | May 8, 1997 |
| Grant date | Feb 16, 1999 |
| Priority date | — |
| Expiry date | May 8, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07B2200/07
- 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 or cyanohydrin from a chiral alpha amino aldehyde.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.