| 16417380 |
Barder TE: Synthesis, structural, and electron topographical analyses of a dialkylbiaryl phosphine/arene-ligated palladium (I) dimer: enhanced reactivity in Suzuki-Miyaura coupling reactions. J Am Chem Soc. 2006 Jan 25;128(3):898-904.
The treatment of bis (2-(dicyclohexylphosphino)-2',6'-dimethoxybiphenyl) PdCl2 with AgBF4 produces an air-stable phosphine/arene-ligated Pd (I) dimer with two seemingly identical Pd-arene interactions by X-ray crystallography. However, NMR and theoretical electron topographical analyses of this complex distinguish between these two interactions. One interaction is classified as an arenium-like complex, while the other is classified as a pi-interaction. Additionally, this complex is a suitable precatalyst for high yielding Suzuki-Miyaura coupling reactions in short reaction times. |
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