(Oxoheterocyclic carbonamido)cephem carboxylic acid derivatives

Details (Oxoheterocyclic carbonamido)cephem carboxylic acid derivatives (Oxoheterocyclic carbonamido)cephem carboxylic acid derivatives

1984-06-27

1986-03-25

Raymond, Richard L.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

544 21, 544 25, 544 27, 544 90, A61K 31535, C07D49804

Patent

active

045783780

ABSTRACT:
Antibacterial 7.beta.-(oxo-saturated heterocyclic carbonamido)-3-cephem-4-carboxylic acid derivatives of the formula: ##STR1## (wherein R is hydrogen or methoxy; R.sup.1 is hydrogen or a nucleophilic group; R.sup.2 is hydrogen, light metal, or a carboxy protecting group; X is oxygen, sulfur, sulfinyl, or sulfonyl; Y is alkylene containing one or more hetero atoms; and Z is hydrogen or a substituent).

REFERENCES:
patent: 4443598 (1984-04-01), Yoshioka et al.

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