Synthesis of a Sterically Encumbered Pincer Au(III)−OH Complexстатья
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Дата последнего поиска статьи во внешних источниках: 29 сентября 2021 г.
Аннотация: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.