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US 4,059,591 AGranted
Ureidoalkyl substituted tetrazole thiol intermediates for preparing cephalosporins
AssigneeSmithKline Corporation
InventorDavid A. Berges
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Abstract
The uriedoalkyl substituted tetrazolethiol compounds of this invention are used for preparing 7-acyl-3-(uriedoalkyl substituted tetrazolythiomethyl)-cephalosporins.
Claims2
A compound of the formula ##STR8## in which n is two to five.
Dependencies are inferred from the claim text.