Journal of Chemical Crystallography

, Volume 41, Issue 4, pp 523–527 | Cite as

Crystal Structures of Two Palladacycles from the C–H Activation of 2-(Thiophen-2-yl)pyridine

  • Samantha K. Callear
  • John Spencer
  • Hiren Patel
  • John J. Deadman
  • Michael B. Hursthouse
ORIGINAL PAPER

Abstract

A C,N-bound palladacycle dimer has been synthesised by reaction of 2-(thiophen-2-yl)pyridine, LH, with palladium acetate in acetic acid. Characterisation by single crystal X-ray diffraction showed the palladacycle dimer, [(L)Pd(OAc)]2, to crystallise in the monoclinic space group P21/n with cell parameters a = 9.5853(1) Å, b = 19.1332(3) Å, c = 12.3889(2) Å, β = 103.732(1)°. Reaction of [(L)Pd(OAc)]2 with triphenylphosphine afforded a trans-substituted monomeric complex, [(L)PdPPh3(OAc)] which was also analysed using single crystal X-ray diffraction. [(L)PdPPh3(OAc)] crystallises in the monoclinic space group P21/c with cell parameters a = 9.4839(1) Å, b = 11.0427(2) Å, c = 26.0770(4) Å, β = 95.022(1)°.

Index Abstract

A 2-(thiophen-2-yl)pyridine-based C,N-bound palladacycle dimer and its corresponding monomer have been characterised and are discussed with reference to other 2-(thiophen-2-yl)pyridine-based palladacycles in the literature.

Keywords

Crystal structure Palladacycle 2-(Thiophen-2-yl)pyridine Dimer Triphenylphosphine 

Supplementary material

10870_2010_9913_MOESM1_ESM.doc (77 kb)
Supplementary material 1 (DOC 41 kb)

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • Samantha K. Callear
    • 1
    • 2
  • John Spencer
    • 3
  • Hiren Patel
    • 3
  • John J. Deadman
    • 4
  • Michael B. Hursthouse
    • 1
  1. 1.EPSRC National Crystallography Service, School of ChemistryUniversity of SouthamptonSouthamptonUK
  2. 2.ISIS FacilityRutherford Appleton LaboratoryChiltonUK
  3. 3.School of ScienceUniversity of Greenwich at MedwayChatham MaritimeUK
  4. 4.Avexa LtdMelbourneAustralia

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