Treatment of the barium hydride complex [(TpAd,iPr)Ba(μ-H)]2 (TpAd,iPr = hydrotris(3-adamantyl-5-isopropyl-pyrazolyl)borate) (1) with an excess amount of 1,1-diphenylethylene (DPE) afforded the corresponding mono-DPE adduct [(TpAd,iPr)Ba(η6-Ph)C(Ph)Me] (2) and di-DPE adduct [(TpAd,iPr)Ba(η6-Ph)C(Ph)-CH2-C(Ph)2Me] (3),… Click to show full abstract
Treatment of the barium hydride complex [(TpAd,iPr)Ba(μ-H)]2 (TpAd,iPr = hydrotris(3-adamantyl-5-isopropyl-pyrazolyl)borate) (1) with an excess amount of 1,1-diphenylethylene (DPE) afforded the corresponding mono-DPE adduct [(TpAd,iPr)Ba(η6-Ph)C(Ph)Me] (2) and di-DPE adduct [(TpAd,iPr)Ba(η6-Ph)C(Ph)-CH2-C(Ph)2Me] (3), which could convert to each other through a reversible equilibrium reaction. Complex 1 catalysed DPE hydrogenation under mild conditions (30 °C, 6 atm, 5 mol% cat.).
Journal Title: Dalton transactions
Year Published: 2019
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