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- W1978856710 abstract "N-Alkyl-2-benzylaminopyridinium iodides (2BAP-n) were synthesized from 2-benzylaminopyridine and n-alkyl iodide (alkyl group: hexyl, octyl, decyl, dodecyl, tetradecyl, hexadecyl and octadecyl) at 80°C under 80MPa of static pressure, and their bactericidal characteristics were investigated with respect to their chemical structure and physicochemical properties. 2BAP-12 exhibited a wide and high range of bactericidal activity, and a higher activity than N-dodecylpyridinium iodide (P-12), which has only an alkyl group as a substituent on the pyridine ring, against all bacteria tested. The bactericidal activity of 2BAP-n against Escherichia coil K12 W3110 was affected by the carbon number of the alkyl chain. The plot of the activity of 2BAP-n against molecular hydrophobicity was found to be parabolic. From the result, it was suggested that the activity of 2BAP-n is dependent on the molecular hydrophobicity. Similarly, the activity had a linear dependence on the hydrophobicity of cell surfaces. The activity increased with an increase in the hydrophobicity, as well as in the case of general QACs. 2BAP-12 maintained high activity in the pH range from 5 to 8.5, though the activity was lower than that of P-12 in alkaline solution. It was thought that this exceptional bactericidal property is due to the effect of a large substituent, the benzylamino group, introduced onto the pyridine ring." @default.
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- W1978856710 date "1999-01-01" @default.
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- W1978856710 title "Synthesis and Bactericidal Characteristics of N-Alkyl-2-benzylaminopyridinium lodides." @default.
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- W1978856710 doi "https://doi.org/10.4265/bio.4.17" @default.
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