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Lithium and sodiumtris(trimethylsilyl)silanolates. Synthesis and reactivity

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Abstract

Lithium and sodium tris(trimethylsilyl)silanolates were obtained by the reaction of tris(trimethylsilyl)silanol with BunLi or PriONa in hexane. The degree of association of silanolates in benzene solution was found to be 2 and 4 for the sodium and lithium derivatives, respectively. (Me3Si)3SiONa is noticeably more active than the lithium derivative in the reaction with Me3SiCl. Tris(trimethylsilyl)silanol reacts with trimethylchlorosilane to give (Me3Si)3SiCl. The hydrolysis of (Me3Si)3SiONa (Li) in benzene and hexane yields the corresponding silanol, whereas in HMPA the splitting of Si-Si bonds and hydrogen evolution were observed.

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Authors and Affiliations

  1. Institute of Organometallic Chemistry, Russian Academy of Sciences, 49 ul. Tropinina, 603600, Nizhnii Novgorod, Russian Federation

    A. N. Kornev, T. A. Chesnokova, V. V. Semenov & Yu. A. Kurskii

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  1. A. N. Kornev
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  2. T. A. Chesnokova
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  3. V. V. Semenov
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  4. Yu. A. Kurskii
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Translated fromIzvestiya Akademii Nauk. Seriya Khimicheskaya, No. 6, pp. 1146–1149, June, 1995.

This work was carried out with financial support from the International Scientific and Technical Center (Project No 015-94).

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Kornev, A.N., Chesnokova, T.A., Semenov, V.V. et al. Lithium and sodiumtris(trimethylsilyl)silanolates. Synthesis and reactivity. Russ Chem Bull 44, 1107–1110 (1995). https://doi.org/10.1007/BF00707063

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  • DOI: https://doi.org/10.1007/BF00707063

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