Antimicrobial activity of some 2-amino-5-subsituted pyridine derivatives
2011
El-Zemity, Saad R.
A series of 2-amino-5-substituted pyridine derivatives were prepared and evaluated against phytopathogenic fungi and bacteria under laboratory conditions. Position 4 on the pyridine ring has notable fungicidal and bactericidal activity, greater than position 3 and/or position 6. Reaction of 1-hydroxymethyl benzotriazole with the amino group of the pyridine ring gave better fungicidal activity than substitution on the carbon of the pyridine ring (compound 4 versus 1c). Replacing the benzotriazole moiety with thiophenol exhibited the strongest fungicidal and bactericidal activity in this series (compound 3).
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