Thio-.beta.-lactam cephalosporins

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

1976-02-20

1977-04-19

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424246, C07D50120

Patent

active

040187616

ABSTRACT:
New intermediates of the formula ##STR1## wherein R is hydrogen, lower alkyl, phenyl-lower alkyl, trihaloethyl, alkali metal or alkaline earth metal and X is lower alkylthiadiazolylthio or lower alkyltetrazolylthio are useful for the production of antimicrobially active acyl derivatives thereof.

REFERENCES:
patent: 3966738 (1976-06-01), Verwey et al.

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