3-Sulfonate esters of cephalosporin
US3985737A · kind A · utility
2Cited by
1References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 6, 1974 |
| Grant date | Oct 12, 1976 |
| Priority date | — |
| Expiry date | Feb 6, 1994 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P31/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
7-Acylamido-3-alkylsulfonyloxy (and phenyl or substituted phenylsulfonyloxy)-3-cephem-4-carboxylic acids and esters thereof are provided via sulfonation of 3-hydroxy-3-cephem esters. The 3-cephem-3-sulfonate esters are useful antibacterial compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.