3-Triazolylthio derivatives of ureido cephalosporins

Details 3-Triazolylthio derivatives of ureido cephalosporins 3-Triazolylthio derivatives of ureido cephalosporins

1975-09-08

1976-12-07

Rizzo, Nicholas S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424246, C07D50124

Patent

active

039962172

ABSTRACT:
Ureido cephalosporin derivatives of the formula ##STR1## wherein R is hydrogen, lower alkyl, phenyl-lower alkyl, diphenyllower alkyl, tri(lower alkyl)silyl, trihaloethyl, a salt forming ion, or the group ##STR2## R.sub.1 is hydrogen, lower alkyl, cycloalkyl, cycloalkenyl, cycloalkadienyl, phenyl, phenyl-lower alkyl, substituted phenyl or phenyl-lower alkyl, or certain heterocyclic groups; R.sub.2 is hydrogen or lower alkyl; R.sub.3 is hydrogen or methoxy; R.sub.4 is triazolyl or substituted triazolyl; R.sub.5 is hydrogen or lower alkyl; R.sub.6 is lower alkyl, phenyl, or phenyl-lower alkyl; are disclosed. These compounds are useful as antibacterial agents.

REFERENCES:
patent: 3673183 (1972-06-01), Erickson
patent: 3759904 (1973-09-01), Crast
patent: 3813388 (1974-05-01), Crast
patent: 3821207 (1974-06-01), Chow et al.
patent: 3833568 (1974-09-01), Dolfini et al.
patent: 3855213 (1974-12-01), Dunn et al.
patent: 3867380 (1975-02-01), Dunn et al.

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