Issue 23, 2003
From the journal:

Dalton Transactions

Gold and silver derivatives with the carborane-selenolate ligand [B10H11C2Se]−

Silvia Canales,a   Olga Crespo,a   M. Concepción Gimeno,a   Peter G. Jones,b   Antonio Laguna*a  and  Pilar Romeroc  

* Corresponding authors

a Departamento de Química Inorgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, E-50009 Zaragoza, Spain
E-mail: alaguna@unizar.es

b Institut fur Anorganische und Analytische Chemie, Technischen Universität Braunschweig, Postfach 3329, D-38023 Braunschweig, Germany

c Servicio de RMN, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-C.S.I.C, E-50009 Zaragoza, Spain

Abstract

The carborane-selenol [(B10H11C2)SeH] has been isolated and its anion employed as a ligand. Reaction of the ligand with [AuClL] (L = PPh3, AsPh3) (1 ∶ 1 molar ratio) or PPN[AuCl2] (PPN = N(PPh3)2) (2 ∶ 1 molar ratio) affords the mononuclear compounds [Au(SeC2B10H11)L] or PPN[Au(SeC2B10H11)2], respectively. Dinuclear derivatives [Au2(SeC2B10H11)2(μ-PP)] (PP = 1,1′-bis(diphenylphosphino)ferrocene (dppf), 1,2-bis(diphenylphosphino)ethane (dppe)) are synthesised by reaction of the ligand with [Au2Cl2(μ-PP)] or by reaction of [Au(SeC2B10H11)(AsPh3)] with the bidentate ligand. The selenolate acts in a bridging mode in [M2(μ-SeC2B10H11)(PPh3)2]X2 (M = Au, X = ClO4; M = Ag, X = TfO), obtained by treatment of the ligand with [O{Au(PPh3)}3]ClO4 or by reaction with [Ag(TfO)(PPh3)] in 1 ∶ 2 molar ratio, respectively. The crystal structure of [Au(SeC2B10H11)(PPh3)] has been determined by X-ray diffraction studies.

Graphical abstract: Gold and silver derivatives with the carborane-selenolate ligand [B10H11C2Se]−

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Article information

DOI
https://doi.org/10.1039/B310658F
Article type
Paper
Submitted
02 Sep 2003
Accepted
11 Sep 2003
First published
25 Sep 2003

Dalton Trans., 2003, 4525-4528

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Gold and silver derivatives with the carborane-selenolate ligand [B10H11C2Se]−

S. Canales, O. Crespo, M. C. Gimeno, P. G. Jones, A. Laguna and P. Romero, Dalton Trans., 2003, 4525 DOI: 10.1039/B310658F

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