Issue 5, 2011

Syntheses and structures of thermally stable diketiminato complexes of gold and copper

Abstract

While most metallic elements across the Periodic Table form stable chelating β-diketiminato complexes, examples of Au(I) are conspicuous by their absence. We report here the reaction of K[HC(F3CC[double bond, length as m-dash]NR)2] with AuCl(PPh3) which provides a rare example of a thermally stable gold(I) diketiminato complex, (Ph3P)Au[RN[double bond, length as m-dash]C(CF3)CH(CF3)C[double bond, length as m-dash]NR] [R = 3,5-C6H3(CF3)2]. The complex is highly fluxional in solution but in the solid state adopts a U-conformation. By contrast, the analogous reaction of K[HC(F3CC[double bond, length as m-dash]NR)2] with CuBr(PPh3)3 gives the rigid 18-electron chelate complex (Ph3P)2Cu[κ2-HC{(CF3)C[double bond, length as m-dash]NR}2].

Graphical abstract: Syntheses and structures of thermally stable diketiminato complexes of gold and copper

Supplementary files

Article information

Article type
Communication
Submitted
19 Oct 2010
Accepted
18 Nov 2010
First published
09 Dec 2010

Dalton Trans., 2011,40, 1016-1019

Syntheses and structures of thermally stable diketiminato complexes of gold and copper

N. Carrera, N. Savjani, J. Simpson, D. L. Hughes and M. Bochmann, Dalton Trans., 2011, 40, 1016 DOI: 10.1039/C0DT01422B

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