Reversible Addition of the Si–H Bond of Phenylsilane to the ScN Bond of a Scandium Terminal Imido Complex
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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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资源简介:
The facile and reversible addition of the Si–H
bond of phenylsilane to the ScN bond of the scandium terminal
imido complex [LScNDIPP(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.
创建时间:
2016-02-19



