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US 4,308,267 AGranted
7-[2-Alkoxyimino-2-(amino-thiazole)acetami do]-3-[1-(sulfaminoalkly)tetrazolthiomethyl]cephalosporins
AssigneeSmithKline Corporation
InventorsDavid A. Berges, George L. Dunn
Life of this patent
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Abstract
Novel cephalosporins with improved antibacterial and pharmacokinetic properties are disclosed. These compounds have a 2-alkoxyimino-2-(2-amino-4-thiazolyl)-acetamido group at position 7 and a sulfaminoalkyltetrazolythio group at position 3.
Claims8
A compound of the formula ##STR4## in which R is hydrogen or lower alkyl of 1-4
- carbon atoms,
- Y is hydrogen or methoxy,
- n is 2-5
- or a pharmaceutically acceptable salt thereof.
1 more element
Dependencies are inferred from the claim text.