Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1975-03-03
1976-05-11
Rush, Raymond V.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260329AM, 2603473, 424246, C07D50124
Patent
active
039562921
ABSTRACT:
New cephalosporin antibiotics of the general formula ##SPC1##
Characterized by an 7-.alpha.-furoylureido or .alpha.-thenoylureido substituent and a 3-heterocyclic thiomethyl substitutent are provided. These cephalosporins and the pharmaceutically acceptable salts and certain esters, for example the acetoxymethyl esters thereof, have a broad antibiotic spectrum against both the gram-positive and gram-negative microorganisms.
REFERENCES:
patent: 3641021 (1972-02-01), Ryan
patent: 3673183 (1972-06-01), Erickson
patent: 3687949 (1972-08-01), Holdrege
patent: 3741962 (1973-06-01), Breuer
patent: 3766175 (1973-10-01), Lemieux et al.
patent: 3772286 (1973-11-01), Hoover
Eli Lilly and Company
Rush Raymond V.
Scanlon William B.
Smith Everet F.
Wheeler David E.
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