Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1989-05-05
1991-11-12
Rizzo, Nicholas S.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
514201, 514206, 540221, 540222, 540225, C07D50122, A61K 31545
Patent
active
050648241
ABSTRACT:
Cephalosporin antibiotics having a 3-position substituent of the formula: ##STR1## are described; wherein R.sup.1 is hydrogen or certain substituted alkyl groups, Z is CH or N, R.sup.2 and R.sup.3 are hydroxy or in vivo hydrolysable esters thereof, (R.sup.12).sub.n represents various optional substituents and X=Y is an olefin, oxime, azo or related group. Processes for their preparation and use are described.
REFERENCES:
CA 111 96959(d) (1989).
Acton David G.
Davies David H.
Poyser Jeffrey P.
Imperial Chemical Industries plc
Rizzo Nicholas S.
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