Silver-Free Catalysis with Gold(I) Chloride Complexes

Gold(I) chloride complexes are stable, widespread precatalysts that generally require activation by halide abstraction to display useful catalytic activity. Chloride scavenging is typically performed in situ by using silver salts. This procedure, apart from mandating the use of an additional metal,...

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Bibliographic Details
Published inBulletin of the Chemical Society of Japan Vol. 94; no. 3; pp. 1099 - 1117
Main Authors Franchino, Allegra, Montesinos-Magraner, Marc, Echavarren, Antonio M
Format Journal Article
LanguageEnglish
Published Tokyo The Chemical Society of Japan 15.03.2021
Chemical Society of Japan
Subjects
Additives
Catalysis
Catalytic activity
Chloride
Coordination compounds
Frontiers of Molecular Science
Gold
Gold chloride
Ligands
Scavengers
Scavenging
Silver
Gold catalysis
Au(I) chloride complexes
Chloride scavenging
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Summary:Gold(I) chloride complexes are stable, widespread precatalysts that generally require activation by halide abstraction to display useful catalytic activity. Chloride scavenging is typically performed in situ by using silver salts. This procedure, apart from mandating the use of an additional metal, often negatively impacts the reaction outcome, because Ag additives are not catalytically innocent (silver effect). Therefore, both the development of alternative chloride scavengers and the design of self-activating gold(I) chloride complexes endowed with special ligands have lately been the subject of intense research efforts. This review describes recent advances in the field of silver-free Au(I) catalysis employing gold(I) chloride complexes, with an emphasis on approaches emerged in the last decade.
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ISSN:0009-2673
1348-0634
DOI:10.1246/bcsj.20200358