Abstract
The reaction of the title ylide, Ph 3P CHCOOCH 2Ph (BAPPY), with mercury(II) halides in equimolar ratios using methanol as a solvent produces the mercurated complexes [(BAPPY) · HgCl 2] 2 ( 1), [(BAPPY) · HgBr 2] 2 ( 2) and [(BAPPY) · HgI 2] 2 ( 3) in good yields. Single crystal X-ray analysis of 3 reveals the presence of a centrosymmetric dimeric structure containing the ylide and HgI 2. The IR, 1H, 13C and 31P NMR data for the latter compound are similar to those of 1 and 2, indicating similar structures. Elemental analysis indicate a 1:1 stoichiometry between the ylide and Hg(II) halide in each of the three products.
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