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1. Bis(di-tert-butylcyclopentadienyl)ytterbium(ii). Synthesis and catalytic properties

Author

A. V. Khsostov, A. I. Sizov, S. Va. Knjazhanski, and Boris M. Bulychev

Subjects
Ytterbium, chemistry.chemical_compound, chemistry, Polymerization, Homogeneous, Polymer chemistry, chemistry.chemical_element, Organic chemistry, General Chemistry, Metallocene, Catalysis, Styrene
Abstract

Polymeric (Cp2Yb·THF) n (1), ionicate-complex Cp3YbNa (2), and mono-adduct (But 2C5H3)2Yb·THF (3) were prepared through a reaction of Cp″Na (Cp″ = C5H5 or C5H3But 2) with Ybl2 in THF. Cooling complex (3) in THF at −100 °C gives a bis-adduct, which reversibly dissociates to give the mono-adduct, The (But 2C H , Yb·THF complex shows catalytic activity in the homogeneous hydrogenation of hex-l-ene and in the polymerization of styrene.

Published
1996
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