Purification of a cephalosporin salt
US5861508A · kind A · utility
3Cited by
1References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1997 |
| Grant date | Jan 19, 1999 |
| Priority date | — |
| Expiry date | Apr 18, 2017 |
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.