THE REACTION of palladium acetate with 4-Methoxy-N-{(E)-(piperidin-1-yl)phenyl) methylidene}aniline (L) gave the cyclometallated acetate bridged complex (1) with open book-shape structure. Metathetical reaction of (1) with NaCl, NaBr and NaI gave the corresponding halidobridged complexes (2), (3) and (4), respectively. Monomerization of complex (3) with pyridine gave compound (5). The ligand and complexes have been characterized by IR, 1H NMR, U.V-Vis and Mass Spectroscopy as well as by magnetic susceptibility measurements. Antimicrobial screening of the ligand and complexes showed that the acetate bridged complex (1) has higher activity than other compounds.
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