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Reversible Addition of the Si–H Bond of Phenylsilane to the ScN Bond of a Scandium Terminal Imido Complex

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NIAID Data Ecosystem2026-03-07 收录
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https://figshare.com/articles/dataset/Reversible_Addition_of_the_Si_H_Bond_of_Phenylsilane_to_the_Sc_N_Bond_of_a_Scandium_Terminal_Imido_Complex/2436334
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The facile and reversible addition of the Si–H bond of phenylsilane to the ScN bond of the scandium terminal imido complex [LScNDIPP­(DMAP)] (1; L  [MeC­(N­(DIPP))­CHC­(Me)­(NCH2CH2NMe)]−, DIPP = 2,6-iPr2C6H3) is reported. The reaction gives the scandium anilido hydride [LSc­(H)­(N­(DIPP)­(SiH2Ph))] (2), and a labeling experiment shows a rapid σ-bond metathesis between Sc–H of the formed scandium anilido hydride and Si–H of phenylsilane during the reaction. 2 was trapped by an insertion reaction with diphenylcarbodiimide, giving the stable scandium anilido amidinate [LSc­(N­(DIPP)­(SiH2Ph))­(κ2(N,N′)-PhNCHNPh)] (3). Furthermore, the scandium terminal imido complex can efficiently catalyze the hydrosilylation of N-benzylidenepropan-1-amine. The reaction was completed within 2 h at 50 °C with 5 mol % of catalyst loading and highly selectively produced the monoaminosilane.
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2016-02-19
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