Neutral and Cationic Di(tert-Butyl) Cyclopentadienyl Titanium, Zirconium and Hafnium Complexes Dynamic NMR Study of the Ligand-Free Cations [M(1,3-tBu2-Η5-C5H3)(η5-C5h5)(ch3)]+ (M = Zr, Hf)

Journal of Organometallic Chemistry - Netherlands
doi 10.1016/s0022-328x(97)00034-x