Cephem compounds
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 20, 2007
Grant Date -
May 5, 2005
app pub date -
Sep 17, 2004
filing date -
Sep 18, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a compound of the formula [I]: ##STR00001## wherein R.sup.1 is lower alkyl or hydroxy(lower)alkyl, and R.sup.2 is hydrogen or amino protecting group, or R.sup.1 and R.sup.2 are bonded together and form lower alkylene; R is -A-R.sup.6 wherein A is bond, --NHCO--(CH.sub.2CO).sub.n--, lower alkylene, --NH--CO--CO-- or the like, and R.sup.6 is ##STR00002## wherein R.sup.7, R.sup.8, R.sup.9 and R.sup.10 are independently amino, guanidino, amidino or the like; R.sup.4 is carboxy or protected carboxy; and R.sup.5 is amino or protected amino, or a pharmaceutically acceptable salt thereof, a process for preparing a compound of the formula [I], and a pharmaceutical composition comprising a compound of the formula [I] in admixture with a pharmaceutically acceptable carrier.
First Claim
Other Claims data not available
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 22 Citation Count
- C07D Class
- 90.79 % this patent is cited more than
- 18 Age
