Volume 132, Issue 4 pp. 1527-1531
Zuschrift

Gold(III) π-Allyl Complexes

Dr. Jessica Rodriguez

Dr. Jessica Rodriguez

Laboratoire Hétérochimie Fondamentale et Appliquée, Université Paul Sabatier/CNRS UMR 5069, 118 Route de Narbonne, 31062 Toulouse Cedex 09, France

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Dr. György Szalóki

Dr. György Szalóki

Laboratoire Hétérochimie Fondamentale et Appliquée, Université Paul Sabatier/CNRS UMR 5069, 118 Route de Narbonne, 31062 Toulouse Cedex 09, France

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Dr. E. Daiann Sosa Carrizo

Dr. E. Daiann Sosa Carrizo

CNRS/UNIV PAU & PAYS ADOUR, Institut des Sciences Analytiques et de Physico-Chimie pour l'Environnement et les Matériaux (IPREM UMR 5254), Hélioparc, 2 Avenue du Président Angot, 64053 Pau Cedex 09, France

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Dr. Nathalie Saffon-Merceron

Dr. Nathalie Saffon-Merceron

Institut de Chimie de Toulouse (FR 2599), 118 Route de Narbonne, 31062 Toulouse Cedex 09, France

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Dr. Karinne Miqueu

Dr. Karinne Miqueu

CNRS/UNIV PAU & PAYS ADOUR, Institut des Sciences Analytiques et de Physico-Chimie pour l'Environnement et les Matériaux (IPREM UMR 5254), Hélioparc, 2 Avenue du Président Angot, 64053 Pau Cedex 09, France

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Dr. Didier Bourissou

Corresponding Author

Dr. Didier Bourissou

Laboratoire Hétérochimie Fondamentale et Appliquée, Université Paul Sabatier/CNRS UMR 5069, 118 Route de Narbonne, 31062 Toulouse Cedex 09, France

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First published: 06 November 2019
Citations: 6

Dedicated to Professor Antonio Laguna

Abstract

Gold(III) π-complexes have been authenticated recently with alkenes, alkynes, and arenes. The key importance of PdII π-allyl complexes in organometallic chemistry (Tsuji–Trost reaction) prompted us to explore gold(III) π-allyl complexes, which have remained elusive so far. The (P,C)AuIII(allyl) and (methallyl) complexes 3 and 3′ were readily prepared and isolated as thermally and air-stable solids. Spectroscopic and crystallographic analyses combined with detailed DFT calculations support tight quasi-symmetric η3-coordination of the allyl moiety. The π-allyl gold(III) complexes are activated towards nucleophilic additions, as substantiated with β-diketo enolates.

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