Cephem compounds and processes for preparation thereof

Details Cephem compounds and processes for preparation thereof Cephem compounds and processes for preparation thereof

1979-09-06

1987-10-27

Kepplinger, Esther M.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

540222, A61K 31545, C07D50120

Patent

active

047030461

ABSTRACT:
This invention concerns antibiotic cephalosporins of the formula ##STR1## wherein R.sup.1 is amino or protected amino; R.sup.2 is halogen; R.sup.3 is alkyl; and R.sup.6 is carboxy or protected carboxy.

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