Document Type and Number:
Japanese Patent JPH0314037
Kind Code:
B2
Abstract:
The invention relates to 2-penem-3-carboxylic acid compounds of the formula (I) in which Ra represents an organic radical bonded by a carbon atom to the ring carbon atom, a free, etherified or esterified hydroxy or mercapto group or a halogen atom, R1 represents hydrogen, an organic radical bonded by a carbon atom to the ring carbon atom, or an etherified mercapto group, and R2 represents a hydroxy group or an R2A radical that together with the carbonyl grouping -C(=O)- forms a protected carboxyl group, and to salts of such compounds with salt-forming groups, processes for the manufacture of such compounds, pharmaceutical preparations containing compounds of the formula I with pharmacological properties, and their use. The compounds have antibiotic activity.
Inventors:
JATSUKU GOSUTERI
IUAN ERUNESUTO
MAARU RAN
RABATO BAANZU UDOOODO
IUAN ERUNESUTO
MAARU RAN
RABATO BAANZU UDOOODO
Application Number:
JP1053679A
Publication Date:
February 25, 1991
Filing Date:
February 02, 1979
Export Citation:
Assignee:
CIBA GEIGY
International Classes:
A61K31/397; A61K31/43; A61P31/04; C07D205/08; C07D205/09; C07D417/12; C07D499/04; C07D499/06; C07D499/86; C07D499/861; C07D499/87; C07D499/88; C07D499/881; C07D499/883; C07D499/887; C07D499/897; C07F9/568
Next Patent: JPH0314038