Is electrophilic substitution possible in the coordinated
cyclopentadienyl ligand of early transition metals metallocene complexes?
G.I. Nikonov, M. Putala, N.B. Kazennova, A.S. Batsanov, Yu.T. Struchkov,
D.A. Lemeniovskii
J. Organomet. Chem., v. 482, p. 187-190 (1994)
ABSTRACT. The unusual electrophilic functionalyzation of
cyclopentadienyl ligand in niobocene's complex is proposed.
Laboratory of Coordination Organometallic Compounds