Purification of a cephalosporin salt
US5659030A · kind A · utility
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4Claims
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Key dates
| Filing date | Jun 14, 1995 |
| Grant date | Aug 19, 1997 |
| Priority date | — |
| Expiry date | Jun 14, 2015 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A p-toluenesulphonic acid salt of 7-[2-(2-aminothiazol-4-yl)-2-(Z)-hydroximino-acetamido]-3-N,N-dimethylcarb amoyloxymethyl-3-cephem-4-carboxylic acid (isopropoxycarbonyloxy)ethylester, e.g. of formula ##STR1## its use in the production of other salts and a pharmaceutical composition containing it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.