Abstract
New palladium(II) Schiff base complexes of the general formula [Pd(L1−6)2] [L1 = N-(Naphthyl)-salicylaldimine (1), L2 = N-(Naphthyl)-methoxysalicylaldimine (2), L3 = N-(Biphenyl)-salicylaldimine (3), L4 = N-(Biphenyl)-methoxysalicylaldimine (4), L5 = N-(Naphthyl)-2-hydroxy-1-naphthaldimine (5), L6 = N-(Biphenyl)-2-hydroxy-1-naphthaldimine (6)] 1–6 have been synthesized by the reaction of [Pd(OAc)2] with bidentate Schiff base ligands. The palladium(II) complexes were fully characterized by analytical, spectral (FT−IR, UV–Vis, 1H NMR &13C NMR) methods. The molecular structure of the one of the complexes [Pd(L1)2] (6) was confirmed by single crystal X−ray diffraction methods. Further, the new palladium(II) complexes were tested as catalyst for Suzuki-Miyaura coupling reactions and exhibits very good catalytic activity.
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