Cephalosporin analogues
US4143038A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 26, 1977 |
| Grant date | Mar 6, 1979 |
| Priority date | — |
| Expiry date | Oct 26, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D505/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Potent antibacterial cephalosporin analogues of the following formula in forms of free acids, pharmaceutically acceptable salts, or esters preparable from penicillins through azetidinone derivatives by way of a new process, and utilizable as active ingredients in bactericidal compositions for pharmaceutical and veterinary use: ##STR1## (wherein Acyl is selected from phenylacetyl, D-mandeloyl, .alpha.-phenylmalonyl, D-.alpha.-(3-methanesulfonyl-2-oxoimidazolidin-l-yl)carbonamido-.alpha.-ph enylacetyl, and 2-thienylacetyl).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.