Journal article

Pd(II) and Pt(II) complexes of alpha-keto stabilized sulfur ylide: Synthesis, structural, theoretical and catalytic activity studies

Seyyed Javad Sabounchei, Ali Hashemi, Asieh Sedghi, Mehdi Bayat, Fateme Akhlaghi Bagherjeri, Robert W Gable

Journal of Molecular Structure | Elsevier | Published : 2017

Abstract

Reaction of dimethyl sulfide with 2, 3′-dibromoacetophenone led to formation of sulfonium salt [Me2SCH2C(O)C6H4-m-Br]Br (1). The resulted sulfonium salt was treated with NaOH and gave the α-keto stabilized sulfur ylide Me2SC(H)C(O)C6H4-m-Br (2). This ligand was reacted with [MCl2(cod)] (M = Pd, Pt; cod = 1,5-cyclooctadiene) to form the new cis- and trans-[MCl2(ylide)2] (M = Pd (cis- and trans-3), Pt (cis- and trans-4)) complexes. Characterization of the obtained compounds was performed by elemental analysis, IR, 1H and 13C NMR. Recrystallization of dichlorobis(ylide) palladium(II) and platinum(II) complexes from DMSO solution yielded the crystalline products, which X-ray diffraction data rev..

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