Bulky, electron-rich, renewable: analogues of Beller's phosphine for cross-couplings.

Analysis of phosphinites derived from renewable phenols ( GreenPhos 14 – 20 ) indicates that their estimated percent buried volumes are quite significant, falling within the range typical for sterically demanding phosphines, such as Buchwald's ligands ( e.g. , JohnPhos, Scheme 5B ). 10 f A complete analysis of % V bur values in both linear [R 3 PAuCl] and tetrahedral [R 3 PNi(CO) 3 ] complexes can be found in the ESI, † section 9.

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