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  • Title: Antimicrobial activity of quaternary ammonium salts of some saturated heterocycloalkyl amines [1].
    Author: Lacko I, Devínsky F, Krasnec L, Mlynarcík D.
    Journal: Z Naturforsch C Biosci; 1979; 34C(5-6):485-6. PubMed ID: 157009.
    Abstract:
    Antimicrobial activity of N-alkyl-N-dodecylpiperidinium bromides and N-ethyl-N-dodecylheterocycloalkyl ammonium bromides (pyrrolidine, morpholine, perhydroazepine) determined on grampositive and gramnegative bacteria, yeasts and moulds, presented as minimum inhibition concentration (MIC). Comparison of the effect of change of structure: lengthening of alkyl chain, change of heterocyclic ring. Change in the length of alkyl chain markedly affects the antimicrobial activity, change of heterocyclic ring has no substantial effect. The most active compounds were N-heptyl-and N-hexyl-N-dodecylpiperidinium bromides.
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