Process for optically active 2-alkyl-2,5-diazabicyclo[2.2.1]heptanes
US5475117A · kind A · utility
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26Claims
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Key dates
| Filing date | Sep 6, 1994 |
| Grant date | Dec 12, 1995 |
| Priority date | — |
| Expiry date | Sep 6, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D207/48
- 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.