Novel cephem compounds of the formula; ##STR1## wherein R.sup.1 represents amino or hydroxyl group which may be protected, R.sup.2 represents amino or hydroxyl group or a group convertible into these groups, R.sup.3 represents hydrogen or methoxy group or a group convertible into methoxy group, R.sup.4 represents hydrogen or a residue of a nucleophilic compound and R.sup.8 represents hydrogen or a halogen, or a pharmaceutically acceptable salt or ester thereof, have strong antibiotic properties against a wide variety of microorganisms including gram-positive bacteria as well as gram-negative ones, especially by oral administration and can be used as therapeutic agent for various bacterial infections of animals including human beings.
This invention relates to new compounds comprising alkoxyimino dioxy butyric acid cepham derivatives, useful as intermediates in the production of antimicrobial agents.
本发明涉及新的化合物,包括烷氧基亚亚硝基丁酸头孢衍生物,在生产抗微生物药物的中间体中有用。
Serine protease inhibitors
申请人:——
公开号:US20030018059A1
公开(公告)日:2003-01-23
Compounds of formula (I)
1
where R
5
, R
6a
, each X, L, Cy and Lp are as defined in the specification, are tryptase inhibitors useful as antiinflammatory agents.