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Replacement of the chloride ligand in [Au(C,N,N)Cl][PF6] cyclometallated complexes by C, N, O and S donor anionic ligands

Cinellu, Maria Agostina and Minghetti, Giovanni and Pinna, Maria Vittoria and Stoccoro, Sergio and Zucca, Antonio and Manassero, Mario (1999) Replacement of the chloride ligand in [Au(C,N,N)Cl][PF6] cyclometallated complexes by C, N, O and S donor anionic ligands. Journal of the Chemical Society. Dalton Transactions, Vol. 1999 (16), p. 2823-2831. ISSN 0300-9246. Article.

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DOI: 10.1039/A903925b

Abstract

Replacement of the chloride ligand in the cyclometallated complexes [Au(C,N,N)Cl][PF6] (C,N,N = N2C10H7(CH2C6H4)-6 1, N2C10H7(CHMeC6H4)-6 2, or N2C10H7(CMe2C6H4)-6 3, where N2C10H8 = 2,2′-bipy) by C, N, O and S donor anionic ligands Y was accomplished through different routes depending both on the nature of HY or the C,N,N ligand. Stable alkoxo [Au(C,N,N)(OR)][PF6] (R = Me or Et) and amido [Au(C,N,N)(NHAr)][PF6] (Ar = C6H4NO2-4) complexes were obtained in fairly good yields. The molecular structure of the thiolato complex [Au{N2C10H7(CMe2C6H4)-6}(SPh)][PF6] has been determined by X-ray crystallography. The diorganogold(III) complex [Au(C,N,N)(C2Ph)][PF6] on addition of PPh3 (1∶2) undergoes reductive elimination to give [Au(PPh3)2][PF6] and an unsymmetric diarylacetylene.

Item Type:Article
ID Code:5356
Status:Published
Refereed:Yes
Uncontrolled Keywords:C,N,N ligand, alkoxo complexes, cyclometallated complexes
Subjects:Area 03 - Scienze chimiche > CHIM/03 Chimica generale e inorganica
Divisions:001 Università di Sassari > 01 Dipartimenti > Chimica
Publisher:Royal Society of Chemistry
ISSN:0300-9246
Deposited On:27 Jan 2011 11:50

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