Cephalosporin derivatives

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...

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544 27, 544 16, 544 22, 544 21, C07D50136, A61K 31545

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active

044709838

ABSTRACT:
What are disclosed are cephalosporin compounds of the formula ##STR1## pharmaceutical preparations which are active against bacterial infections and in which these cephem compounds are present, process for the preparation of the cephem compounds and of the pharmaceutical preparations, use of the cephem compounds for combating bacterial infections, and compounds used as starting materials in the synthesis of said cephem compounds.

REFERENCES:
patent: 4098888 (1978-07-01), Ochiai et al.
patent: 4217348 (1980-08-01), Treuner et al.
patent: 4226866 (1980-10-01), Christensen et al.
patent: 4252802 (1981-02-01), Denzel et al.
patent: 4278671 (1981-07-01), Ochiai et al.
patent: 4283397 (1981-08-01), Hannah
patent: 4303655 (1981-12-01), Kamiya et al.
"Protective Groups in Organic Chemistry", J. F. W. McOmie, Plenum Press, New York, 1973, pp. xi, 183.
Ochiai et al., J. Antibiotics 34, 171-177 (1981).

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