FUW TRENDS IN SCIENCE & TECHNOLOGY JOURNAL
(A Peer Review Journal)
e–ISSN: 2408–5162; p–ISSN: 2048–5170
keywords: 2-aminophenol, antibacterial activity, schiff bases, quantum chemical studies
The structure-antibacterial activity of six Schiff bases synthesized from 2-aminophenol and substituted benzaldehydes was studied by relating the effect of substituent groups on antibacterial activity. The study showed that compounds with electron donating methoxy substituent exhibited higher inhibitory activity against the tested microorganisms than compounds bearing an electron withdrawing chloroor nitro substituent. Quantum chemical studies carried out on the compounds using density functional theory calculations (DFT) revealed that the activity of the Schiff bases is related to the electrostatic potential, ionization potential and alignment of the dipole moment with respect to the imine bond.
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