Thio-.beta.-lactam cephalosporins

Details Thio-.beta.-lactam cephalosporins Thio-.beta.-lactam cephalosporins

1975-02-19

1976-07-27

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424246, C07D50120, C07D50102

Patent

active

039717801

ABSTRACT:
Thio-.beta.-lactam cephalosporins of the general formula ##SPC1##
Wherein R is hydrogen, lower alkyl, phenyl-lower alkyl, trihaloethyl, alkali metal or alkaline earth metal; R.sub.1 is hydrogen, lower alkyl, cycloalkyl, phenyl, phenoxy, phenyl-lower alkyl or certain heterocyclic groups; R.sub.2 is hydrogen, amino, carboxy, hydroxy or ureido; and X is hydrogen, hydroxy, lower alkylthio, lower alkylthiadiazolyl, lower alkyltetrazolyl or lower alkanoyloxy, are useful as antimicrobial agents.

REFERENCES:
patent: 3897422 (1975-07-01), Breuer et al.
patent: 3897423 (1975-07-01), Treuner et al.

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