Bis[μ-1,3-bis(diphenylphosphanyl)propane-κ²P:P′]digold(I) tetrachloridonickelate(II) diethyl ether monosolvate

Abstract

The title compound, [Au2(C27H26P2)2][NiCl4]·C4H10O, consists of a digold(I) complex cation, an [NiCl4]2− complex anion and a diethyl ether solvent mol­ecule. Two 1,3-bis­(di­phenyl­phosphan­yl)propane (dppp) ligands bridge two AuI atoms, forming a metallacycle in which each of the AuI atoms is coordinated in a slightly distorted linear environment by two P atoms. In the complex anion, the NiII atom is coordinated by four chloride ligands in a distorted tetra­hedral geometry. The complex cation and the complex anion form a cation–anion pair through two Au⋯Cl contacts of 3.040 (1) and 3.021 (2) Å. One of the phenyl groups of the dppp ligand is disordered over two positions with equal occupancies.

Novel dinuclear gold(i) complexes containing bis(diphenylphosphano)alkanes and (biphenyl-2-yl)(di-tert-butyl)phosphane: synthesis, structural characterization and anticancer activity

“…2,7,14,[33][34][35] The phosphorus atoms of both phosphanes in the complexes possess a tetrahedral environment. The Au-P bond lengths, which vary from 2.29(11) to 2.33(12) Å for the complexes, are similar to those reported for the analogous compounds; 2,7,14,33-37 for example, 2.3013(13)-2.3129(13 36 However, these distances are relatively shorter than in the tetrahedrally coordinated complex, [Au(Dppp)(PPh 3 )Cl] (2.39(13) Å). 38 The Au-P bond lengths in complex 4 are comparatively shorter owing to the electron donating nature of diphosphane.…”

“…12 Accumulating evidence demonstrates that in addition to the bidentate chelating mode in gold(I) complexes, [31][32][33] diphosphanes have been intensely applied as bridging ligands in the formation of polymeric chains and macrocyclic complexes. 2,31,[33][34][35][36] However, the selective formation of mixed phosphane (containing both mono-and diphosphane) gold(I) complexes remains largely unexplored. Caruso et al reported the antitumor activity of the mixed phosphane gold species containing triphenylphosphane (PPh 3 ), and 1,2-bis(diphenylphosphano)ethane (Dppe) and 1,3-bis(diphenylphosphano)propane (Dppp).…”

Identification of an Au(I) N-Heterocyclic Carbene Compound as a Bactericidal Agent Against Pseudomonas aeruginosa

“…Au4 and Au9 (auranofin) are purchased from Sigma-Aldrich. Au1–Au3 ( Hickey et al, 2008 ; Long et al, 2021 ), four dinuclear gold(I)-phosphine compounds Au5–Au8 ( Che et al, 1990 ; Fu et al, 1999 ; Igashira-Kamiyama et al, 2013 ; Zou et al, 2014 ) and two auranofin derivatives Au10–Au11 ( Baker et al, 2005 ) were synthesized and characterized as previously described.…”