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Oct 7, 2015Keywords:
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Synthesis and Characterization of Transition Metal (Hg(II), Ag(I) and Cd(II)) Complexes of Some New Phosphorus Ylides
Abstract
Reaction of two new phosphorus ylides Ph3PCHCOC10H7 (Y1) and Ph3PCHCOC4H3S (Y2) with mercury(II) halides and a previously reported ylide (p-tolyl)3PCHCOOCH2Ph (Y3) with CdCl2 in equimolar ratios using methanol as solvent yielded binuclear complexes of the type [(Y).HgX2]2 (Y=Y1 and Y2, X=Cl, Br and I) and a complex of [(Y3).HgCl2]2. The latter ylide reacts with Hg(NO3)2.H2O in the same solvent with equimolar ratios to give a polynuclear complex [Hg(Y3)(NO3)(μ-NO3)]n. Also, the reaction between ylides and AgNO3 in 1:2 molar ratios gave mononuclear complexes. Characterization of these products was carried out by elemental analysis, IR and multinuclear NMR techniques.
Keywords: Phosphorus ylides, triphenylphosphine, mercury(II) nitrate, silver nitrate
