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US 3,943,128 AGranted
7-Trifluoromethylsulfinylacetamido cephalosporins
AssigneeSmithKline Corporation
InventorsRobert M. DeMarinis, John R. E. Hoover
Life of this patent
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Abstract
Cephalosporin compounds having a trifluoromethylsulfinylacetamido group at the 7-position and various groups at the 3-position are prepared by acylation of a 7-aminocephalosporanic acid. The compounds have antibacterial activity.
Claims5
A compound of the formula:
- ##SPC2##
- in which:
- M is hydrogen or an alkali metal or ammonium cation;
- and
- A is CH.sub.2 SR' or CH.sub.2 OR', where R' is hydrogen or alkyl of from one to four carbon atoms.
2 more elements
Dependencies are inferred from the claim text.