Dinuclear alkynyllanthanoid(ii) dications with pentaphenylcyclopentadienyl or tri-tert-butyldiphosphacyclopentadienyl counter ions†
Abstract
Reaction of [Yb(CpPh5)(CCPh)(thf)]2 (CpPh5 = pentaphenylcyclopentadienyl), prepared from Yb(CCPh)2 and HCpPh5 or Yb metal, HgPh(CCPh) and HCpPh5, with a controlled amount of