Antibacterial cephalosporin compounds

Details Antibacterial cephalosporin compounds Antibacterial cephalosporin compounds

1988-05-03

1993-02-23

Rizzo, Nicholas S.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

540221, C07D50134, A61K 31545

Patent

active

051891573

ABSTRACT:
There are presented antibacterial cephalosporins having broad antimicrobial activity as well as intermediates for their formation, such compounds having the formula ##STR1## wherein X is ##STR2## R is hydrogen or a carboxylic acid protecting group; R.sub.1 is hydrogen or an acyl group;

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