(Carbamoyl)pyridino derivatives of ureidocephalosporins

Details (Carbamoyl)pyridino derivatives of ureidocephalosporins (Carbamoyl)pyridino derivatives of ureidocephalosporins

1976-03-05

1977-05-17

Daus, Donald G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603322A, 424246, C07D50144

Patent

active

040241351

ABSTRACT:
Ureido cephalosporin derivatives of the formula ##STR1## wherein R.sub.1 is hydrogen or methoxy; R.sub.2 is hydrogen or lower alkyl; R.sub.3 is hydrogen, lower alkyl, cycloalkyl, cycloalkenyl, cycloalkadienyl, phenyl, phenyl-lower alkyl, substituted phenyl, substituted phenyl-lower alkyl; or certain heterocyclic groups; are disclosed. These compounds are useful as antibacterial agents.

REFERENCES:
patent: 3261832 (1966-07-01), Cowley et al.
patent: 3449338 (1969-06-01), Flynn
patent: 3479350 (1969-11-01), Eardley et al.
patent: 3632810 (1972-01-01), Bickel et al.
patent: 3687949 (1972-08-01), Holdrege
patent: 3708479 (1973-01-01), Welch et al.
patent: 3780034 (1973-12-01), Christensen et al.
patent: 3925368 (1975-12-01), Cooper et al.

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