Method of preparing highly pure cefpodoxime proxetil
US6639068B1 · kind B1 · utility
1Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 24, 2002 |
| Grant date | Oct 28, 2003 |
| Priority date | — |
| Expiry date | Apr 24, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D501/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Highly pure cefpodoxime proxetil can be prepared by a simple process comprising the step of reacting a cefpodoxime salt with 1-iodoethylisopropylcarbonate in an organic solvent in the presence of a crown ether.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.