Chemical acetylation of desacetyl-cephalosporins
US5917032A · kind A · utility
0Cited by
4References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 15, 1998 |
| Grant date | Jun 29, 1999 |
| Priority date | — |
| Expiry date | Oct 15, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D501/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention is concerned with a chemical acetylation process for the preparation of 3'-acetylated cephalosporin from desacetyl-cephalosporin. The novel process is carried out with an acetyl donor and an activator or catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.