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Inorganics 2017, 5(1), 5; doi:10.3390/inorganics5010005

P-Fluorous Phosphines as Electron-Poor/Fluorous Hybrid Functional Ligands for Precious Metal Catalysts: Synthesis of Rh(I), Ir(I), Pt(II), and Au(I) Complexes Bearing P-Fluorous Phosphine Ligands

1
Center for Education and Research in Agricultural Innovation, Faculty of Agriculture, Saga University, 152-1 Shonan-cho Karatsu, Saga 847-0021, Japan
2
Department of Applied Chemistry, Graduate School of Engineering, Osaka Prefecture University, 1-1 Gakuen-cho, Nakaku, Sakai, Osaka 599-8531, Japan
3
Katayama Chemical Industries Co., Ltd., 26-22, 3-Chome, Higasinaniwa-cho, Amagasaki, Hyogo 660-0892, Japan
*
Authors to whom correspondence should be addressed.
Academic Editor: Lee J. Higham
Received: 1 December 2016 / Revised: 1 January 2017 / Accepted: 4 January 2017 / Published: 12 January 2017
(This article belongs to the Special Issue Organophosphorus Chemistry 2016)
View Full-Text   |   Download PDF [4123 KB, uploaded 12 January 2017]   |  

Abstract

P-Fluorous phosphine (R2PRf), in which the perfluoroalkyl group is directly bonded to the phosphorus atom, is a promising ligand because it has a hybrid functionality, i.e., electron-poor and fluorous ligands. However, examples of P-fluorous phosphine–metal complexes are still rare, most probably because the P-fluorous group is believed to decrease the coordination ability of the phosphines dramatically. In contrast, however, we have succeeded in synthesizing a series of P-fluorous phosphine–coordinated metal complexes such as rhodium, iridium, platinum, and gold. Furthermore, the electronic properties of R2PnC10F21 are investigated by X-ray analysis of PtCl2(Ph2PnC10F21)2 and the infrared CO stretching frequency of RhCl(CO)(R2PnC10F21)2. IrCl(CO)(Ph2PnC10F21)2- and AuCl(R2PnC10F21)-catalyzed reactions are also demonstrated. View Full-Text
Keywords: phosphine-metal complex; fluorous; electron-poor phosphine ligand; precious metal complex phosphine-metal complex; fluorous; electron-poor phosphine ligand; precious metal complex
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Kawaguchi, S.-I.; Saga, Y.; Sato, Y.; Minamida, Y.; Nomoto, A.; Ogawa, A. P-Fluorous Phosphines as Electron-Poor/Fluorous Hybrid Functional Ligands for Precious Metal Catalysts: Synthesis of Rh(I), Ir(I), Pt(II), and Au(I) Complexes Bearing P-Fluorous Phosphine Ligands. Inorganics 2017, 5, 5.

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