Process for preparing derivatives of azabicyclo naphthyridine carboxylic acid comprising a dipeptide
US5939550A · kind A · utility
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21Claims
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Key dates
| Filing date | Mar 11, 1998 |
| Grant date | Aug 17, 1999 |
| Priority date | — |
| Expiry date | Mar 11, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldBiotechnology
- WIPO sectorChemistry
Abstract
A multi-step process for preparing a dipeptide derivative of 7-(6-amino-3-azabicyclo3.1.0.!hex-3-yl)-6-fluoro-1-(2,4-difluorophenyl)-1 ,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid, in the form of a pharmaceutically acceptable acid addition salt is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.