Cephalosporins

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...

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544 22, A61K 31545, C07D50146

Patent

active

044068999

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.

REFERENCES:
patent: 4168309 (1979-09-01), Ayres
patent: 4278671 (1981-07-01), Ochiai et al.
patent: 4278793 (1981-07-01), Durckheimer et al.

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