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The MoMo Quintuple Bond as a Ligand to Stabilize Transition‐Metal Complexes
Author(s) -
Lu DuanYen,
Chen Peter P.Y.,
Kuo TingShen,
Tsai YiChou
Publication year - 2015
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201504414
Subject(s) - transition metal , bond , ligand (biochemistry) , chemistry , crystallography , business , catalysis , organic chemistry , biochemistry , receptor , finance
Herein, we report the employment of the MoMo quintuple bonded amidinate complex to stabilize Group 10 metal fragments {(Et 3 P) 2 M} (M=Pd, Pt) and give rise to the isolation of the unprecedented δ complexes. X‐ray analysis unambiguously revealed short contacts between Pd or Pt and two Mo atoms and a slight elongation of the MoMo quintuple bond in these two compounds. Computational studies show donation of the MoMo quintuple‐bond δ electrons to an empty σ orbital on Pd or Pt, and back‐donation from a filled Pd or Pt d π orbital into the MoMo δ* level (LUMO), consistent with the Dewar–Chatt–Duncanson model.
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