Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1987-03-09
1989-05-16
Raymond, Richard L.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
540300, A61K 31535, C07D49804
Patent
active
048310263
ABSTRACT:
A 2-oxa-isocephem compound of the formula (1): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are as defined, pharmaceutically acceptable salts thereof, esters of the carboxy group in the 4-position thereof and quaternary ammonium salts thereof, composition containing the same and processes for preparing the same are disclosed. The compound is useful as an antimicrobial compound.
REFERENCES:
patent: 4013648 (1977-03-01), Horning et al.
patent: 4386089 (1983-05-01), Konig et al.
patent: 4476124 (1984-10-01), Heymes et al.
Fujii Setsuro
Ishikawa Hiroshi
Jitsukawa Koichiro
Sudo Kimio
Toyama Sachio
Otsuka Pharmaceutical Co. Ltd.
Raymond Richard L.
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