Optically active azetidinones
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 3, 1990
Grant Date -
N/A
app pub date -
Aug 18, 1988
filing date -
Dec 22, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
This invention provides compounds of the formula ##STR1## wherein Y represents an acetyl, 1-hydroxyethyl or 1-fluoroethyl group, R.sub.1 represents a hydrogen atom or an easily splittable amino-protecting group, and R.sub.2 and R.sub.3 are identical or different and each represents a hydrogen atom, a lower alkyl group, a phenyl group, a benzyl group or a diphenylmethyl group, or R.sub.2 and R.sub.3 together represent a lower alkylene group; and processes for production thereof. These compounds are useful as synthesis intermediates for production of various medicines, particulary carbapenam or carbapenem antibiotics, such as a carbapenem antibiotic of the following formula which has excellent antimicrobial activity and relatively good stability to kidney dehydropeptidase. ##STR2##
First Claim
Family
International Classification(s)
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