Abstract
The synthesis of four new phosphane ligands featuring electron-rich Fe(II) “(η2-dppe)(η5-C5Me5)FeCC-” substituents in para and meta position(s) on the aryl rings (1–4) is reported along with those of the corresponding PdCl2(PAr3)2 precatalysts (7–10). These precatalysts have then been tested in a Stille-type aryl–aryl cross coupling reaction. It is shown that these new ligands survive the reaction conditions and perform at least as well as the classic triphenylphosphine ligand for this transformation.
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