Cephem compounds
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 25, 2001
Grant Date -
N/A
app pub date -
Jul 20, 1999
filing date -
Dec 25, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An antibacterial compound ##STR1## wherein ##STR2## represents benzene ring, pyridine ring, pyrazine ring or 5-membered aromatic neterocycle (having one oxygen or sulfur atom as ring-constituting atom), there being no R.sub.4 where ##STR3## represents 5-membered aromatic heterocycle; X and Y respectively represent hydrogen atom or CXY represents C.dbd.N--OR.sub.5 wherein R.sub.5 represents hydrogen atom, halo C.sub.1 -C.sub.6 alkyl or C.sub.3 -C.sub.7 cycloalkyl; R.sub.1 represents phenyl, furyl, thienyl, thiazolyl (which may be substituted by amino group), tetrazolyl or thiadiazolyl, R.sub.2, R.sub.3 and R.sub.4 respectively represent hydrogen atom, halogen, hydroxyl group, nitro, C.sub.1 -C.sub.6 alkoxy, trifluoromethyl, isothiuronium C.sub.1 -C.sub.6 alkyl, amino C.sub.1 -C.sub.6 alkyl, halo C.sub.1 -C.sub.6 alkyl, morpholino, piperidino or piperazinyl.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully