Direct formation of Au(iii) acetyl, alkoxyl and alkynyl functionalities via halide free tricationic Au(iii) precursors

A novel synthetic approach for the synthesis of gold(iii) acetato, alkoxolato and alkynyl complexes was developed via the reactivity of gold(iii) trications containing the N,N-chelating ligand 2,2'-bipyridine and N,N,N-chelating ligand terpyridine through direct reactions with the protic precur...

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Published inDalton transactions : an international journal of inorganic chemistry Vol. 47; no. 12; pp. 4228 - 4235
Main Authors Corbo, Robert, Albayer, Mohammad, Hall, Neville B, Dutton, Jason L
Format Journal Article
LanguageEnglish
Published England Royal Society of Chemistry 28.03.2018
Subjects
Chelation
Gold
Ligands
Precursors
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Summary:A novel synthetic approach for the synthesis of gold(iii) acetato, alkoxolato and alkynyl complexes was developed via the reactivity of gold(iii) trications containing the N,N-chelating ligand 2,2'-bipyridine and N,N,N-chelating ligand terpyridine through direct reactions with the protic precursors. This protocol avoids the gold(iii) chloride bond activation pathway commonly employed to access these functionalities. For example exposure of [LAu(iii)L']OTf (L = N,N,N-terpyridine, L' = 4-DMAP) to RH (R = OCH , OAc, Ph-[triple bond, length as m-dash]) results in the facile formation of the corresponding functionalised gold(iii) complexes [LAu(iii)R]OTf .
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ISSN:1477-9226
1477-9234
DOI:10.1039/c7dt04675h