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• W4225277335 abstract "We report herein a facile and highly modular access to an intriguing class of free Au-substituted phosphines (AuPhos), namely (LAu)n PR3-n (L=singlet carbene ligand; R=H, aryl, alkyl, silyl) (n=1-3). The Tolman electronic parameter (TEP) values coupled with theoretical investigations showcase that Au-substitution can boost the electron-releasing ability of AuPhos, thus leading to an electronically and sterically tunable, extremely electron-rich phosphorus center. The high basicity of AuPhos is attributed to the d-p lone pair π-repulsion arising from interaction between Au substituents and the lone pair at P. A series of multi-nuclear transition metal complexes (i.e. Rh, Ir, Pd, Au, W, Mn) ligated by AuPhos are readily prepared via a straightforward process. Preliminary catalytic results reveal the facilitation of Pd-catalyzed C-N coupling reactions and Ir-catalyzed decarbonylation reactions via AuPhos. This work provides insights for future development of electron-rich ligands." @default.
• W4225277335 created "2022-05-04" @default.
• W4225277335 creator A5004075655 @default.
• W4225277335 creator A5054492368 @default.
• W4225277335 creator A5062008657 @default.
• W4225277335 date "2022-05-13" @default.
• W4225277335 modified "2023-10-09" @default.
• W4225277335 title "Free Metallophosphines: Extremely Electron‐Rich Phosphorus Superbases That Are Electronically and Sterically Tunable**" @default.
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