Synthesis and characterisation of divalent di(1,3-bis(diphenylphosphano)cyclopentadienyl)lanthanoid and alkaline earth complexes as potential platforms for heterometallic complexes

Daisy P. Daniels, Zhifang Guo, Angus C.G. Shephard, Glen B. Deacon, Florian Jaroschik, Peter C. Junk

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New divalent lanthanoid and alkaline earth metal complexes bearing the 1,3-bis(diphenylphosphano)cyclopentadienyl ligand have been synthesised using the redox-transmetallation protolysis (RTP) approach. From the reaction of the corresponding metal, diphenylmercury and the proligand C5H4(PPh2)2, the compounds [M(η5-C5H3(PPh2)2-1,3)2(S)] (with M=Yb, S=(thf)2 or M=Yb, Eu, Ca, Sr, Ba, S=dme) were isolated and characterised by X-ray diffraction and multinuclear NMR spectroscopy. These compounds may provide a platform for early-late heterobimetallic complexes.

Original languageEnglish
Article numbere202200251
Number of pages7
JournalZeitschrift fuer Anorganische und Allgemeine Chemie
Issue number23
Publication statusPublished - 13 Dec 2022


  • alkaline earth
  • bimetallic complexes
  • cyclopentadienyl
  • lanthanide
  • phosphine

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