Process for preparing cephalosporin derivatives
US4016155A · kind A · utility
1Cited by
4References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 28, 1974 |
| Grant date | Apr 5, 1977 |
| Priority date | — |
| Expiry date | Aug 28, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D499/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Process for preparing .beta.-lactam antibiotic substances useful as intermediate for various cephalosporin or penicillin derivatives, which comprises oxidation of 7-benzylideneaminocephem or 6-benzylideneaminopenam compounds capable of being converted to their quinoid forms by oxidation followed by reaction with lower alkanols.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.