Preparation of cephalosporin compounds
US4113591A · kind A · utility
6Cited by
2References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 1976 |
| Grant date | Sep 12, 1978 |
| Priority date | — |
| Expiry date | Dec 10, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D501/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a novel method for the preparation of a 7.beta.-acylamido-3-bromomethylceph-3-em-4-carboxylic acid-1-oxide compound by brominating a 7.beta.-acylamido-3-methylceph-3-em-4-carboxylic acid-1-oxide compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.