Synthesis, characterisation and reactivity towards PdII and PtII of ortho-, meta- and para-Xylyl-based phosphorus-containing macrocycles

Lluis Escriche, José Antonio Muñoz, Raikko Kivekäs, Reijo Sillampää, Jaume Casabó

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5 Citations (Scopus)

Abstract

The new meta- and para-xylyl-based phosphadithiamacrocycles 6-phenyl-6-phospha-3,9-dithiabicyclo[9,3,1]pentadeca-1(15),12,14-triene (L2) and 6-phenyl-6-phospha-3,9-di-thiabicyclo[9,2,2]pentadeca-1(13),12,14-triene (L3) have been synthesised and characterised. The reactivity of these ligands and the previously described ortho-xylyl macrocycle 6-phenyl-6-phospha-3,9-dithiabicyclo[9,4,0]pentadeca-1(11), 12,14-triene (L1) with [PdCl2(cod)] and K2[PtCl4] has been studied. [MCl2(L)] complexes have been obtained and characterised by NMR spectroscopy. X-ray structural analyses have been carried out in the case of [PdCl2L2]·CH3CN (2·CH3CN) and [PdCl2L3] (3). In both compounds the PdII ion adopts a slightly distorted square-planar coordination defined by one S-thioether, the P-phosphane atoms of the ligand and two chlorine atoms, which are oriented in a mutual cis position, whereas the second S-thioether atom of the ligand remains uncoordinated. According to the spectroscopic data, the same coordination mode is found for the PtII complexes. © Wiley-VCH Verlag GmbH, 69451 Weinheim, Germany, 2002.
Original languageEnglish
Pages (from-to)3258-3263
JournalEuropean Journal of Inorganic Chemistry
Issue number12
DOIs
Publication statusPublished - 1 Dec 2002

Keywords

  • Macrocycles
  • Palladium, Platinum
  • Phosphanes
  • S ligands

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