Imidazo[4,5-b]pyridiniummethyl-containing cephem compounds having broad antibacterial spectrum
US6518263B1 · kind B1 · utility
31Cited by
23References
9Claims
0Family size
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Inventors
Key dates
| Filing date | May 25, 2001 |
| Grant date | Feb 11, 2003 |
| Priority date | — |
| Expiry date | May 25, 2021 |
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.