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Syntheses, structures, and reactivity of ruthenium(II) hydride complexes containing Kläui’s oxygen tripodal ligand

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Abstract

Treatment of Ru(CO)(Cl)(H)(PPh3)3 with NaLOEt (LOEt − = [CpCo{P(O)(OEt)2}3]−) afforded the hydride complex (PPh3)(CO)-LOEtRu(H) (1), which has been characterized by X-ray crystallography. Similarly, the tricyclohexylphosphine analogue, (PCy3)(CO)LOEtRu(H) (2), was synthesized from Ru(CO)Cl(H)(PCy3)2 and NaLOEt. Treatment of complex 1 with R’sO2N3 afforded the (arylsulfonyl)amido complexes LOEtRu(CO)(PPh3)(NHSO2R) (R = 2,4,6-i-Pr3C6H2 (3), 4-t-BuC6H4 (4)). The crystal structure of complex 3 has been determined. The Ru-N distance and Ru-N-S angle in 3 are 2.076(3) Å and 126.14(16)°, respectively. Reactions of complex 1 with acids have been studied.

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Authors and Affiliations

  1. Department of Chemistry, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China

    Xiao-Yi Yi, Ho-Yuen Ng, Chun-Sing Lai, Ian D. Williams & Wa-Hung Leung

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  1. Xiao-Yi Yi
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  2. Ho-Yuen Ng
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  3. Chun-Sing Lai
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  4. Ian D. Williams
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  5. Wa-Hung Leung
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Correspondence to Wa-Hung Leung.

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Yi, XY., Ng, HY., Lai, CS. et al. Syntheses, structures, and reactivity of ruthenium(II) hydride complexes containing Kläui’s oxygen tripodal ligand. Sci. China Chem. 53, 2139–2143 (2010). https://doi.org/10.1007/s11426-010-4090-0

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