Peptide substituted penicillins
AssigneeNational Research Development Corporation
InventorJack E. Baldwin
Life of this patent
Estimating the term…
Abstract
A compound of formula I or a physiologically acceptable salt thereof ##STR1## wherein X represents sulphur or methylene, R.sub.1 represents hydrogen, amino or an acylated or carbamylated amino group, R.sub.2 represents hydrogen or an alkyl group and R.sub.3 represents an alkoxy group.
Claims20
A compound of formula I or a physiologically acceptable salt thereof ##STR7## wherein X represents sulphur or methylene, R represents hydrogen, amino or an acylated or carbamylated amino group, R.sub.2 represents hydrogen or an alkyl group and R.sub.3 represents an alkoxy group.
A pharmaceutical composition useful for treating bacterial infections in humans and animals which comprises an antibacterially effective amount of a compound of the formula (I):
- ##STR8## wherein X is sulphur or methylene;
- R.sub.1 is hydrogen, amino, acylated amino or carbamylated amino;
- R.sub.2 is hydrogen or alkyl;
- and R.sub.3 is alkoxy, in combination with a pharmaceutically acceptable carrier.
A method of treating bacterial infections in humans and animals which comprises administering to a human or animal in need thereof an antibacterially effective amount of a compound of the formula (I):
- ##STR9## wherein X is sulphur or methylene;
- R.sub.1 is hydrogen, amino, acylated amino or carbamylated amino;
- R.sub.2 is hydrogen or alkyl;
- and R.sub.3 is alkoxy, in combination with a pharmaceutically acceptable carrier.
Dependencies are inferred from the claim text.