Cephalosporin derivatives

Details Cephalosporin derivatives Cephalosporin derivatives

1988-12-19

1990-06-26

Rizzo, Nicholas S.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D50136, A61K 31545

Patent

active

049373323

ABSTRACT:
A cephalosporin derivative represented by the general formula ##STR1## wherein R.sup.1 is a hydrogen atom or a protecting group of the amino group, R.sup.2 is a hydrogen atom or a protecting group of the hydroxyl group, R.sup.3 is a hydrogen atom or a protecting group of the carboxyl group, and R.sup.4 is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, and the non-toxic salts thereof are useful as antibacterial agents.

REFERENCES:
patent: 4699981 (1987-10-01), Watanabe et al.
patent: 4758556 (1988-07-01), Durkhemer et al.

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