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

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(eta(5)-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.

Automated summary

New divalent lanthanoid and alkaline earth metal complexes with 1,3-bis(diphenylphosphano)cyclopentadienyl ligand were synthesized using redox-transmetallation protolysis approach. The compounds were characterized by X-ray diffraction and multinuclear NMR spectroscopy. These complexes may provide a platform for studying early-late heterobimetallic complexes.