Abstract
μ-Chloro bridged dinuclear cyclometallated Pd(II) complexes [Pd{(4-R)C6H3CHNC6H3-2,6-i-Pr2}(μ-Cl)]2 (R=H, OMe) were prepared by reaction of Na2PdCl4 with benzylideneanilines. Unexpectedly, Na2PdCl4 reacted with Schiff-bases bearing a furyl or a thienyl ring to give N-coordinated non-cyclometallated Pd(II) species [Pd(C4H3XCHNC6H3-2,6-i-Pr2)2Cl2] (X=O, S). Treating [Pd{(4-R)C6H3CHNC6H3-2,6-i-Pr2}(μ-Cl)]2 (R=H, OMe) with an excess of NaN3 or NH4SCN generated μ-N3 bridged or μ-SCN bridged cyclometallated Pd(II) complexes [Pd{(4-R)C6H3CHNC6H3-2,6-i-Pr2}(μ-Y)]2 (R=H, OMe; Y=N3, NCS). The complexes were characterized by FTIR, NMR spectroscopy, elemental analysis and X-ray crystallography.
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