Clavulanic acid derivatives a process for their preparation and

Details Clavulanic acid derivatives a process for their preparation and Clavulanic acid derivatives a process for their preparation and

1980-07-14

1982-08-03

Goldberg, Jerome D.

Drug, bio-affecting and body treating compositions

Plural fermentates of different origin

A61K 3500, A61K 3143

Patent

active

043427499

ABSTRACT:
Compounds of the formula (II): ##STR1## wherein X is sulphur or oxygen and R is hydrogen or alkyl of 1 to 3 carbon atoms, are useful for their antibacterial, .beta.-lactamase inhibitory activity and synergistic activity when combined with a penicillin or cephalosporin.

REFERENCES:
Chemical Abstracts 89: 59890f (1978).

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