Process for optically active 2-alkyl-2,5-diazabicyclo(2.2.1) heptanes
US5013839A · kind A · utility
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7Claims
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Key dates
| Filing date | Dec 21, 1989 |
| Grant date | May 7, 1991 |
| Priority date | — |
| Expiry date | Dec 21, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D207/16
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
1S,4S and 1R,4R-2-alkyl-2,5-diazabicyclo[2.2.1]-heptanes useful as intermediates in the synthesis of certain antibacterial quinolones, are prepared respectively, from trans-4-hydroxy-L-proline and trans-4-hydroxy-D-proline via multistep procedures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.