Cephalosporins

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...

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544 22, A61K 31545, C07D50146

Patent

active

045254737

ABSTRACT:
Compounds of the formula ##STR1## wherein R.sup.1 is hydrogen or a conventional amino-protecting group, R.sup.2 is a straight or branched chain alkyl, alkenyl or alkynyl containing from 1 to 4 carbon atoms, and ##STR2## is a quaternary ammonio group as described herein, and nontoxic pharmaceutically acceptable salts, physiologically hydrolyzable esters 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 et al.
patent: 4278671 (1981-07-01), Ochiai et al.
patent: 4278793 (1981-07-01), Durckheimer et al.
patent: 4406899 (1983-09-01), Aburaki et al.

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