SCHIFF BASES DERIVED FROM 2-HYDROXY AND 2- METHOXY NAPHTHALDEHYDE: EXPLORATION OF IN SILICO DOCKING, DNA CLEAVAGE, ANTIBACTERIAL ACTIVITIES AND SAR
AbstractAntibacterial activities, molecular docking and DNA cleavage activities of five structurally related Schiff bases [L3 (a), L3 (b), L3 (c) L3 (d) and L3 (e)] were performed and their structure activity relationship was studied. Antibacterial activities of these compounds against gram-negative and gram-positive bacteria were evaluated by using well diffusion method and the compound L3 (c); 1-[(E)-(4-hydroxyphenyl) iminomethyl] naphthalene-2-ol which carries two hydroxyl functional groups was observed as one of the most dynamic antibacterial agents. Docking interactions against p55blk kinase protein were investigated. The compound L3 (a); 1-[(E)-(3-nitrophenyl)imino-methyl]naphthalene-2-ol exhibited good docking proficiency with 24 interactions based on statistical potentials and the compound L3 (d); (E)-1-(2-methoxy-1-naphthyl)- N- (3-nitro phenyl) methanimine showed significant docking interaction based on hydrogen bonding. DNA cleavage efficiency of all the Schiff bases was investigated using Lambda DNA by gel electrophoresis method.
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