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US 4,061,649 AGranted
Clavulanic acid sulphates
AssigneeBeecham Group Limited
InventorThomas Trefor Howarth
Life of this patent
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Abstract
Clavulanic acid sulphates of the formula ##STR1## wherein M.sup.1 is trimethylamine, dimethylalanine, pyridine, N-methylpyridine or N-methylmorpholino, are useful for their antibacterial activity and are also useful as intermediates for the production of antibacterially active compounds.
Claims2
A compound of the formula (V):
- ##STR29## wherein M.sup.1 is trimethylamine, dimethylalanine, pyridine, N-methyl-pyridine or N-methylmorpholino.
Dependencies are inferred from the claim text.