Palladium and Platinum Complexes of a Benzannulated N-Heterocyclic Plumbylene with an Unusual Bonding Mode
- 6 July 2011
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of the American Chemical Society
- Vol. 133 (29) , 11118-11120
Abstract
Reaction of the N,N′-diisobutyl-substituted benzannulated N-heterocyclic plumbylene (NHPb) 1 with [Pd(PPh3)4] and [Pt(PPh3)4] gave the complexes [M(NHPb)(PPh3)3] (M = Pd [2], Pt [3]). X-ray diffraction studies of both complexes showed an angle of ∼125° between the plumbylene plane and the transition-metal–Pb axis, indicating coordination of the transition metal to the empty π orbital of the plumbylene Pb atom. The experimentally determined metric parameters of complexes [2] and [3] are discussed on the basis of DFT calculations.Keywords
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