Cephalosporins
AssigneeBristol-Myers Company
InventorsShimpei Aburaki, Hajime Kamachi, Yukio Narita, Jun Okumura, Takayuki Naito
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Abstract
Compounds of the formula ##STR1## wherein R.sup.1 is hydrogen or a conventional amino-protecting group, and R.sup.2 is a straight or branched chain alkyl group containing from 1 to 4 carbon atoms, allyl, 2-butenyl or 3-butenyl, and nontoxic pharmaceutically acceptable salts and solvates thereof, as well as processes for their preparation, are disclosed. The compounds in which R.sup.1 is hydrogen are potent antibacterial agents.
Claims11
A compound of the formula ##STR21## wherein R.sup.1 is hydrogen or a conventional amino-protecting group, and R.sup.2 is a straight or branched chain alkyl group containing from 1 to 4 carbon atoms, allyl, 2-butenyl or 3-butenyl, or a nontoxic pharmaceutically acceptable salt or solvate thereof.
Dependencies are inferred from the claim text.