Issue 4, 2018

[Au12(PPh2)2S4(L2)4]2+ (L2 = 3,4-bis(diphenylphosphino)-2,5-bis(trimethylsilyloxy)furan): an Au12 unit protected by modified maleic anhydride phosphine ligands

Abstract

The reaction of the bis(dichlorogold) complex of 2,3-bis(diphenylphosphino)maleic anhydride (L1) with S(SiMe3)2 in the presence of NaBPh4 yields the ionic dodecanuclear cluster compound [Au12(PPh2)2S4(L2)4](BPh4)2 (1). During the formation of 1, the initial ligand L1 is transformed into the doubly sylilated derivative, 3,4-bis(diphenylphosphino)-2,5-bis(trimethylsilyloxy)-furan (L2). The presence of bridging PPh2 groups is a result of the transformation of L1 in the coordination sphere of Au(I). Compound 1 was characterized by single crystal X-ray diffraction and electrospray-ionization (ESI) mass spectrometry.

Graphical abstract: [Au12(PPh2)2S4(L2)4]2+ (L2 = 3,4-bis(diphenylphosphino)-2,5-bis(trimethylsilyloxy)furan): an Au12 unit protected by modified maleic anhydride phosphine ligands

Supplementary files

Article information

Article type
Communication
Submitted
11 Nov. 2017
Accepted
12 Dec. 2017
First published
13 Dec. 2017

Dalton Trans., 2018,47, 1032-1035

[Au12(PPh2)2S4(L2)4]2+ (L2 = 3,4-bis(diphenylphosphino)-2,5-bis(trimethylsilyloxy)furan): an Au12 unit protected by modified maleic anhydride phosphine ligands

W. Yu, Y. Wang, O. Fuhr, D. Fenske and S. Dehnen, Dalton Trans., 2018, 47, 1032 DOI: 10.1039/C7DT04263A

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