Kleine Goldcluster mit Carboran‐Liganden‐Synthese und Struktur der neuartigen Verbindung [Au4{(PPh2)2C2B9H10}2(AsPh3)2]

Crespo, Olga; Gimeno, M. Concepción; Jones, Peter G.; Laguna, Antonio; Villacampa, M. Dolores

doi:10.1002/ange.19971090921

Angewandte Chemie

1997

DOI: 10.1002/ange.19971090921

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Kleine Goldcluster mit Carboran‐Liganden‐Synthese und Struktur der neuartigen Verbindung [Au₄{(PPh₂)₂C₂B₉H₁₀}₂(AsPh₃)₂]

Olga Crespo¹,

M. Concepción Gimeno²,

Peter G. Jones

et al.

Abstract: In Abhängigkeit vom Eduktverhältnis führt die Reaktion des Komplexes [AuCl(AsPh3)] mit (PPh2)2C2B10H10 in siedendem Ethanol zu zwei sehr unterschiedlichen Produkten mit teilweise abgebautem Carboranrest: zum vierfach koordinierten Komplex [Au{(PPh2)2C2B9H10}‐{(PPh2)2C2B10H10}] oder zum neuartigen Goldcluster [Au4{(PPh2)2C2B9H10}2(AsPh3)2] (siehe rechts).

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Cited by 4 publications

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Triple‐Decker Au₃–Ag–Au₃–Ag–Au₃ Ion Cluster Enclosed in a Self‐Assembled Cage

2012

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Miniaturisierte Schatzkiste: Ein AuI‐AgI‐Ionen‐Tripeldeckercluster wurde durch abwechselnde Anordnung cyclischer dreikerniger AuI‐Komplexe und AgI‐Ionen innerhalb eines selbstorganisierten Käfigs synthetisiert. Der kastenförmige Käfighohlraum eignet sich nicht nur zur Beschränkung der Clusterzahl, sondern auch zur Stabilisierung schwach assoziierter Metallionen, die ohne Hilfe des Käfigs nicht existieren können.

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Triple‐Decker Au₃–Ag–Au₃–Ag–Au₃ Ion Cluster Enclosed in a Self‐Assembled Cage

2012

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Triple‐Decker Au₃–Ag–Au₃–Ag–Au₃ Ion Cluster Enclosed in a Self‐Assembled Cage

2012

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Soft d 10 metal ions (M), such as Au I and Ag I , show metallophilicity and form M···M interactions despite their electrostatic repulsion. [1] Although there are many examples of onedimensional arrays of these metal ions both in solution and in the solid state, [2] three-dimensionally controlled ionic clusters of these metals have seldom been synthesized. [3] We recently prepared a [3 3] Au I 9 cluster, [4] which consists of three layers of planar Au I 3 complex 2 a, in the confined cavity of selfassembled cage 1 a (Figure 1). Here, we report that trinuclear Au I 3 complex 2 b takes up silver ions to form an unprecedented triple-decker ion cluster (Au 3 -Ag-Au 3 -Ag-Au 3 ) in the cage. There is only one example of a double-decker sandwich cluster, Au 3 -Ag-Au 3 , prepared by the co-crystallization of a Au I trinuclear complex with a silver ion. [5] However, this structure is only observable in the solid state, and higher or infinite multi-decker clusters have never been [*] T.

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Intramolecular Communication in Anionic Oxidized Phosphanes through a Chelated Proton

Popescu

Rojo

Teixidor

et al. 2015

Chemistry A European J

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Oxidation of the 1,2-(PR2 )2 -1,2-closo-C2 B10 H10 (R=Ph, iPr) platform with hydrogen peroxide in acetone is a two-step procedure in which partial deboronation of the closo cluster and oxidation of the phosphorus atoms occur. Based on NMR spectroscopic and kinetic data, we demonstrate that the phosphorus atoms are oxidized in the first step, followed by cluster deboronation. DFT calculations and natural-bond orbital (NBO) analysis were used to obtain insight into the electronic structures of diphosphane ortho-carborane derivatives.

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Kleine Goldcluster mit Carboran‐Liganden‐Synthese und Struktur der neuartigen Verbindung [Au₄{(PPh₂)₂C₂B₉H₁₀}₂(AsPh₃)₂]

Cited by 4 publications

References 11 publications

Triple‐Decker Au₃–Ag–Au₃–Ag–Au₃ Ion Cluster Enclosed in a Self‐Assembled Cage

Triple‐Decker Au₃–Ag–Au₃–Ag–Au₃ Ion Cluster Enclosed in a Self‐Assembled Cage

Triple‐Decker Au₃–Ag–Au₃–Ag–Au₃ Ion Cluster Enclosed in a Self‐Assembled Cage

Intramolecular Communication in Anionic Oxidized Phosphanes through a Chelated Proton

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Kleine Goldcluster mit Carboran‐Liganden‐Synthese und Struktur der neuartigen Verbindung [Au4{(PPh2)2C2B9H10}2(AsPh3)2]

Cited by 4 publications

References 11 publications

Triple‐Decker Au3–Ag–Au3–Ag–Au3 Ion Cluster Enclosed in a Self‐Assembled Cage

Triple‐Decker Au3–Ag–Au3–Ag–Au3 Ion Cluster Enclosed in a Self‐Assembled Cage

Triple‐Decker Au3–Ag–Au3–Ag–Au3 Ion Cluster Enclosed in a Self‐Assembled Cage

Intramolecular Communication in Anionic Oxidized Phosphanes through a Chelated Proton

Contact Info

Product

Resources

About

Kleine Goldcluster mit Carboran‐Liganden‐Synthese und Struktur der neuartigen Verbindung [Au₄{(PPh₂)₂C₂B₉H₁₀}₂(AsPh₃)₂]

Triple‐Decker Au₃–Ag–Au₃–Ag–Au₃ Ion Cluster Enclosed in a Self‐Assembled Cage

Triple‐Decker Au₃–Ag–Au₃–Ag–Au₃ Ion Cluster Enclosed in a Self‐Assembled Cage

Triple‐Decker Au₃–Ag–Au₃–Ag–Au₃ Ion Cluster Enclosed in a Self‐Assembled Cage