Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1986-03-28
1988-04-05
Rizzo, Nicholas S.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
540222, 540215, 540223, C07D50102, C07D50122, A61K 31545
Patent
active
047359374
ABSTRACT:
The invention concerns 7-amino-ceph-3-em-4-carboxylic acid compounds of the formula ##STR1## wherein R.sub.1.sup.a represents hydrogen or an amino protective group R.sub.1.sup.A and R.sub.1.sup.b represent hydrogen or an acyl group AC, or R.sub.1.sup.A and R.sub.1.sup.b together denote a bivalent amino protective group, and R.sub.2 represents hydrogen or an organic radical R.sub.2.sup.A which together with the --C(.dbd.O)--O-- grouping forms a protected carboxyl group, or salts such compounds which possess salt-forming groups; these compounds have antibiotic properties.
REFERENCES:
patent: 3799938 (1978-03-01), Heusler et al.
Bickel Hans
Fechtig Bruno
Heusler Karl
Peter Heinrich
Scartazzini Riccardo
Fujisawa Pharmaceutical Co. Ltd.
Rizzo Nicholas S.
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