Article,

Synthesis, spectroscopic and X-ray structural studies of mercury(II) halide complexes of 4-methoxybenzoylmethylenetriphenylphosphorane

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POLYHEDRON, 26 (12): 2845-2850 (July 2007)
DOI: {10.1016/j.poly.2007.01.053}

Abstract

The reactions of the title ylide \(C6H5)(3)PCHCOC6H4OCH3)\ (MBPPY) with mercury(II) chloride and mercury(II) bromide in equimolar ratios using methanol as the solvent produces crystals of (MBPPY) (.) HgBr2(2) (1) and (MBPPY) (.) HgBr2(2) (2), respectively. Single crystal X-ray analyses reveal the presence of centrosymmetric dimeric structures containing the ylide and HgX2 (X = Cl or Br) in both cases. The IR and NMR data of the product (MBPPY) (.) HgI2(2) (3), formed by the reaction of mercury(II) iodide with the same ylide, are similar to those of 1 and 2. Analytical data indicate a 1:1 stoichiometry between the ylide and Hg(ll) halide in each of the three products. (C) 2007 Elsevier Ltd. All rights reserved.

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