penicilloic acid

penicilloic acid
Alkali and bacterial degradation product of a penicillin, resulting from hydrolysis of the 1,7 bond.

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pen·i·cil·lo·ic acid .pen-ə-sə-.lō-ik- n any of several acids having the general formula RCONH(C6H10NS)(COOH)2 which are obtained from the penicillins by hydrolytic opening of the lactam ring (as by the action of a beta-lactamase)

Medical dictionary. 2011.

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  • penicilloic acid — |penəsə|lōik noun Etymology: penicillin + oic : an amido dicarboxylic acid that has the general formula RCONH(C6H10NS)(COOH)2 and is obtained from a penicillin by hydrolytic opening of the lactam ring (as by mild treatment with alkali or by the… …   Useful english dictionary

  • pen|i|cil|lo|ic acid — «PEHN uh suh LOH ihk», the resultant product, no longer antigenic, after the neutralization and breakdown of penicillin by penicillinase: »It acts by rapidly breaking down penicillin to penicilloic acid, which has no antibiotic activity and which …   Useful english dictionary

  • penillic acids — Acid degradation products of penicillins, produced by cleavage of the 1,7 bond, forming penicilloic acid, and formation of a bond between the exocyclic carbonyl carbon and N 1 with elimination of H2O from those two positions and the …   Medical dictionary

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