Imidazo[4,5-b]-pyridiniummethyl-containing cephem compounds having broad antibacterial spectrum activity
US6800621B2 · kind B2 · utility
14Cited by
25References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 13, 2002 |
| Grant date | Oct 5, 2004 |
| Priority date | — |
| Expiry date | Dec 31, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A cefem compound of the formula (I) shows wide antibacterial spectrum against various pathogenic bacteria including MRSA. wherein, X is N or CY and Y is H or halogen; R1 is amino or protected amino; R2 is hydrogen or optionally substituted lower alkyl etc.; R3 is hydrogen etc.; R4 is hydrogen, optionally substituted lower alkyl, or optionally substituted N-containing heterocyclic group etc.; R5 is hydrogen etc.; and a wavy line means syn- or anti-isomerism or a mixture thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.