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Synthesis, Structure and Transmetalation Activity of Various C,Y-Chelated Organogold(I) Compounds
Year: 2012
Type of publication: článek v odborném periodiku
Name of source: European Journal of Inorganic Chemistry
Publisher name: Wiley-VCH
Place: Weinheim
Page from-to: 2578-2587
Titles:
Language Name Abstract Keywords
cze Syntéza, struktura a transmetalační aktivata C,Y-chelatovaných organozlatných sloučenin Byly připraveny a charakterizovány C,Y-chelatované organozlatné sloučeniny. Tyto sloučeniny byly dále studovány jako vhoné prekurzory pro transmetalační reakce. Syntéza, struktura a transmetalační aktivita různých C,Y-chelátů organozlatných sloučenin
eng Synthesis, Structure and Transmetalation Activity of Various C,Y-Chelated Organogold(I) Compounds A set of organogold(I) compounds L14Au(PPh3), where L1 = [o-C6H4(CH=NC6H3iPr2-2,6)] (1), L2 = {o,o-C6H3[C(Me)=NC6H3Me2-2,6]2} (2), L3 = [o,o'-C6H3(CH2OMe)(CH2NMe2)] (3), L4 = [o,o-C6H3(CH2OMe)2] (4), were synthesized by the reaction of parent organolithium derivatives L14Li with [AuCl(PPh3)] in good yields. The molecular structures of 14 were characterized by ESI mass spectrometry and 1H NMR, 13C NMR and 31P NMR spectroscopy, and their structures in the solid state were determined using single-crystal X-ray diffraction analyses. The transmetalation potential of 14 was tested by the reaction with either [PdCl2(CH3CN)2] or [PtCl2(Et2S)2] complexes. While the reaction of compounds 1 and 2 proceeded smoothly with the formation of the desired transition-metal complexes, i.e. (L1PdCl)2 (5), L1PtCl(Et2S) (6) and L2MCl [M = Pd (7) or Pt (8). In the case of the O,C,N- and O,C,O-chelated derivatives 3 and 4 only the platinum(II) compounds L3PtCl(PPh3) (9) and L4PtCl(Et2S)2 (10) could be isolated after the reaction, as a result of the labile behaviour of the corresponding palladium compounds. All derivatives 510 were characterized by the help of ESI mass spectrometry and 1H NMR, 13C NMR and 31P NMR spectroscopy, and in the case of compounds 57 and 9 using single-crystal X-ray diffraction analyses. Synthesis; Structure; and; Transmetalation; Activity; Various; C,Y-Chelated; OrganogoldI; Compounds

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