7-(.alpha.-(4-Hydroxy-1,5-naphthyridine-3-carbonamido)-.alpha.-p

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 28, 544 27, C07D50136

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active

041171268

ABSTRACT:
A cephalosporin derivative of formula (I): ##STR1## wherein X is an --OCOCH.sub.3 group or an --S--Het group in which Het is a 5- or 6-membered heterocyclic ring containing one to four hetero atoms selected from the group consisting of nitrogen, oxygen and sulfur atoms, which may be substituted with one or more substituents, and the non-toxic pharmaceutically acceptable salts thereof which are useful as an antimicrobial material and which are prepared by the reaction of a compound of formula (II): ##STR2## or a reactive derivative thereof, with a compound of formula (III): ##STR3## wherein X is as defined above, or a derivative thereof.

REFERENCES:
patent: 4032521 (1977-06-01), Christensen et al.

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