Methods for the preparation of intermediates in the synthesis of HIV-protease inhibitors
US6472534B2 · kind B2 · utility
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5References
20Claims
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Inventors
Key dates
| Filing date | Nov 7, 2001 |
| Grant date | Oct 29, 2002 |
| Priority date | — |
| Expiry date | Nov 7, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Methods for the preparation of chemical intermediates in the synthesis of HIV-protease inhibitors related to and including nelfinavir mesylate are disclosed. The method of this invention comprises converting tetrohydran derivatives into oxazolines to provide key reaction intermediates for the preparation of nelfinavir. Also disclosed is a method for the preparation of a chiral amino alcohol from an epoxy-tetrahydrofuran.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.