Cephalosporin derivatives

Details Cephalosporin derivatives Cephalosporin derivatives

1983-04-20

1985-02-05

Coughlan, Jr., Paul M.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

544 27, A61K 31545, C07D50156

Patent

active

044978090

ABSTRACT:
Cephalosporin derivatives of the formula: ##STR1## wherein R.sub.1 is methyl or ethyl and R.sub.2 is a straight-chain or branched alkyl group of 5 to 7 carbon atoms, and their pharmaceutically acceptable salts, which are effective as orally administrable antibiotic agents against both gram-positive- and negative-bacteria, and the production and compositions thereof, are proposed.

REFERENCES:
patent: 4080498 (1978-03-01), Numata et al.
patent: 4146710 (1979-03-01), Naito et al.
patent: 4189479 (1980-02-01), Kakeya et al.

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