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Synthesis of a Sterically Encumbered Pincer Au(III)−OH Complex
Author(s) -
Engbers Silène,
Trifonova Evgeniya A.,
Hess Kristopher M.,
Vries Folkert,
Klein Johannes E. M. N.
Publication year - 2021
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.202100305
Subject(s) - steric effects , chemistry , pincer movement , reactivity (psychology) , ligand (biochemistry) , pincer ligand , stereochemistry , catalysis , organic chemistry , receptor , medicine , biochemistry , alternative medicine , pathology
We report the synthesis and crystallographic characterization of a novel Au(III)−OH complex featuring a N^N^N‐pincer ligand. Reactivity studies towards oxygen atom transfer (OAT), a type of reactivity previously reported for a Au(III)−OH complex, indicate that this complex provides both a sterically encumbered Au atom and a sterically poorly accessible OH group leading to no reactivity with a series of phosphines. The steric encumbrance sets this example apart from the known examples of Au(III)−OH (pincer) complexes, which commonly feature planar ligands that provide little control over steric accessibility of the Au and O atoms in these complexes. Implications for the mechanism of OAT from Au−OH complexes are briefly discussed.