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

Carrera, Nora, Savjani, Nicky, Simpson, Jason, Hughes, David L. and Bochmann, Manfred (2011) Syntheses and structures of thermally stable diketiminato complexes of gold and copper. Dalton Transactions, 40 (5). pp. 1016-1019.

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Abstract

While most metallic elements across the Periodic Table form stable chelating ß-diketiminato complexes, examples of Au(I) are conspicuous by their absence. We report here the reaction of K[HC(F3CC==NR)2] with AuCl(PPh3) which provides a rare example of a thermally stable gold(I) diketiminato complex, (Ph3P)Au[RN==C(CF3)CH(CF3)C==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==NR)2] with CuBr(PPh3)3 gives the rigid 18-electron chelate complex (Ph3P)2Cu[?2-HC{(CF3)C==NR}2]

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
Depositing User: Rachel Smith
Date Deposited: 12 Apr 2011 14:08
Last Modified: 21 Apr 2020 16:42
URI: https://ueaeprints.uea.ac.uk/id/eprint/29049
DOI: 10.1039/C0DT01422B

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