Cephem compounds having at the 3-position a (1,4-methylene-1-piperidinio)methyl group or a (1-quinuclidinio)methyl group
US4748171A · kind A · utility
11Cited by
1References
9Claims
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Assignee
Inventors
Key dates
| Filing date | Jan 14, 1986 |
| Grant date | May 31, 1988 |
| Priority date | — |
| Expiry date | Jan 14, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D471/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Described herein is a cephem derivative represented by the general formula: ##STR1## wherein n stands for 1 or 2, Y stands for CH or nitrogen atoms, R.sub.1 represents a lower hydrocarbon group or a carboxyl-substituted, a carbamoyl-substituted, or a cyclopropyl-substituted lower alkyl group, and R.sub.2 denotes hydroxyl group, a lower alkyl group, a hydroxy-substituted lower alkyl group, or carbamoyl group. The derivative is useful as an antibacterial agent. Also described herein are processes for the production of the derivative, antibacterial composition, intermediate of the derivative and process for the production thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.