Cephem compounds, their preparation and their use as antimicrobi

Details Cephem compounds, their preparation and their use as antimicrobi Cephem compounds, their preparation and their use as antimicrobi

1996-10-15

1999-01-05

Ford, John M.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

540222, C07D50156, A61K 3153

Patent

active

058563202

ABSTRACT:
Novel cephalosporin derivatives of formula (II): ##STR1## wherein R.sup.2 is hydrogen, methyl, or fluoromethyl; R.sup.3 is hydrogen, methyl or carboxyl; R.sup.4 is hydrogen or methyl; A is methylene or propenylene; Q is nitrogen or CH, and pharmaceutically acceptable salts, solvates, hydrates and esters thereof, a process for their preparation and an antimicrobial composition containing them.

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Hayashi, S., et al, Chemical Abstracts, 119, 270910h (1993).
Hayashi, S., Chemical Abstracts, 122, 187263r (1995).
Hayashi, S., et al, Chemical Abstracts 122, 265170z (1995).
Hayashi, S., et al, Chemical Abstracts, 122, 290585w (1995).
35th Interscience Conference on Antimicrobial Agents and Chemotherapy, San Francisco, Tamura, A., et al, Abstract #2271 (1995).
35th Interscience Conference on Antimicrobial Agents and Chemotherapy, San Francisco, Atsumi, K., et al, Abstract #2272 (1995).
Cram and Hammond, "Organic Chemistry" 2nd Ed. (1964) McGraw Hill Book Co, New York, pp. 565-567.

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