Production of a salt of clavulanic acid
US6133441A · kind A · utility
9Cited by
11References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 11, 1998 |
| Grant date | Oct 17, 2000 |
| Priority date | — |
| Expiry date | May 11, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Process for the production of alkali salts of clavulanic acid of formula ##STR1## by conversion of clavulanic acid into a pharmaceutically acceptable salt of clavulanic acid which is characterised in that the conversion is carried out in n-butanol or iso-butanol (2-methyl-1-propanol) as a solvent; and a potassium salt of clavulanic acid containing n-butanol or iso-butanol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.