Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...
Patent
1981-03-26
1983-02-22
Coughlan, Jr., Paul M.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Bacterium or component thereof or substance produced by said...
544 28, A61K 31545
Patent
active
043748341
ABSTRACT:
Novel syn isomers of 7-[2-(2-amino-4-thiazolyl)-2-(carboxymethyloxyimino)-acetamido]-ceph-3-eme -4-carboxylic acid compounds of the formula ##STR1## wherein R is selected from the group consisting of alkyl of 1 to 3 carbon atoms and --CH.sub.2 --S--R.sub.1, R.sub.1 is an optionally substituted heterocyclic of 5 to 6 chain components with 1 to 4 heteroatoms selected from the group consisting of oxygen, sulfur and nitrogen, A is selected from the group consisting of hydrogen, alkali metal, alkaline earth metal, magnesium, --NH.sub.4, an easily cleavable ester and a non-toxic, pharmaceutically acceptable organic amine, A.sub.1 is selected from the group consisting of alkyl of 1 to 3 carbon atoms, hydrogen, alkali metal, alkaline earth metal, magnesium, --NH.sub.4, an easily cleavable ester and a non-toxic, pharmaceutically acceptable organic amine and non-toxic, pharmaceutically acceptable acid addition salts thereof having antibiotic activity and their preparation and intermediates therefor.
REFERENCES:
patent: 4278793 (1981-07-01), Durckheimer et al.
Heymes Rene
Lutz Andre
Coughlan, Jr. Paul M.
Uclaf Roussel
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