Method of preparing a sparingly soluble complex of cephalexin
US4003896A · kind A · utility
2Cited by
2References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 17, 1974 |
| Grant date | Jan 18, 1977 |
| Priority date | — |
| Expiry date | Dec 17, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D501/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Method of recovering high purity cephalexin in high yields from a solution containing cephalexin comprising the steps of reacting said solution with a non-substituted or substituted naphthalene to form a complex with cephalexin, isolating said complex, and decomposing said complex to recover cephalexin or a salt thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.