Intermediates for 2-(1-oxo-3-thiolanyl)-2-penem antibiotics
US4739047A · kind A · utility
19Cited by
2References
7Claims
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Key dates
| Filing date | Jun 24, 1986 |
| Grant date | Apr 19, 1988 |
| Priority date | — |
| Expiry date | Jun 24, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/1804
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process and intermediates for the conversion of 3R,4R-4-acetoxy-3-[1R-1-(silyloxy)ethyl]-2-azetidinones to antibacterial 5R,6S-6-(1R-1-hydroxyethyl)-2-(1-oxo-3-thiolanylthio)-2-penem-3-carboxylic acids, and the pharmaceutically-acceptable salts and pivaloyloxymethyl esters thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.