2-Methylpenem-3-carboxylic acid antibiotics
US4155912A · kind A · utility
13Cited by
1References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 1977 |
| Grant date | May 22, 1979 |
| Priority date | — |
| Expiry date | Dec 14, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/568
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
There is described the preparation of novel 2-penem-3-carboxylic acid compounds having the formula ##STR1## and easily cleavable esters and carboxylic acid salts thereof. The compounds of formula I, particularly the dextrorotatory isomers thereof, are potent antibacterial agents or are of use as intermediates in the preparation of such agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.