3-propenylcephem derivative
US4921850A · kind A · utility
3Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 13, 1987 |
| Grant date | May 1, 1990 |
| Priority date | — |
| Expiry date | Oct 13, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D501/24
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A 3-propenylcephem derivative of the following formula: ##STR1## wherein R.sub.1 represents a fluoro-substituted lower alkyl group or a cyano-substituted lower alkyl group, and A represents a cyclic or an acylic ammonio group, or a pharmaceutically acceptable salt thereof, exhibiting excellent anti-bacterial activities against both Gram-positive bacteria and Gram-negative bacteria; Process for the preparation thereof; Anti-bacterial composition; Intermediate for the 3-propenylcephem derivative; and Process for the preparation of the intermediate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.