A double addition of Ln-H to a carbon-carbon triple bond and competitive oxidation of ytterbium(II) and hydrido centers.

Authors :: Basalov IV
Lyubov DM
Fukin GK
Shavyrin AS
Trifonov AA
Source :: Angewandte Chemie (International ed. in English) [Angew Chem Int Ed Engl] 2012 Apr 02; Vol. 51 (14), pp. 3444-7. Date of Electronic Publication: 2012 Feb 28.
Publication Year :: 2012
Abstract: Addition of two Ln-H bonds of an Yb(II) hydrido complex supported by bulky amidinate ligand to a C≡C bond lead to the formation of 1,2-dianionic bibenzyl fragment. Both Yb(II) and hydrido centers are oxidized under the reaction conditions. The resulting Yb(II)-η(6) -arene interaction is surprisingly robust: the arene cannot be replaced from the metal coordination sphere when treated with Lewis bases.<br /> (Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.)

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