Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...
Patent
1978-05-04
1981-03-24
Rizzo, Nicholas S.
Drug, bio-affecting and body treating compositions
Antigen, epitope, or other immunospecific immunoeffector
Bacterium or component thereof or substance produced by said...
544 21, 544 28, 544 22, 544 16, 544 25, C07D50120, C07D50136
Patent
active
042580404
ABSTRACT:
Novel cephalosporin compounds having a 3'-.alpha.-methyl, a 3-aryl or 3-heterocycle substituent are prepared by total synthesis. The novel cephalosporin compounds are active against gram-negative and gram-positive microorganisms.
REFERENCES:
patent: 3962223 (1976-06-01), Martel et al.
patent: 4013651 (1977-03-01), Spitzer
Christensen Burton G.
Ratcliffe Ronald W.
Levitt Julian S.
Mahon Frank M.
Merck & Co. , Inc.
Perrella Donald J.
Rizzo Nicholas S.
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