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Synthesis and structures of lithium alkoxytris(dimethylphenylsilyl)borates

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Abstract

The reactions of trialkyl borates B(OR)3 (R = Me, i-Pr) with dimethylphenylsilyllithium gave lithium alkoxytris(dimethylphenylsilyl)borates 1a,b. X-ray crystallographic analysis showed that 1a,b were obtained as a contact ion pair and a solvent-separated ion pair, respectively. The 11B and 29Si chemical shifts as well as the Si–B and B–O bond lengths of 1a,b and related compounds largely change, depending on the numbers of silyl and alkoxy substituents.

Graphical abstract: Synthesis and structures of lithium alkoxytris(dimethylphenylsilyl)borates

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Publication details

The article was received on 01 Feb 2017, accepted on 28 Mar 2017 and first published on 28 Mar 2017


Article type: Communication
DOI: 10.1039/C7DT00395A
Citation: Dalton Trans., 2017, Advance Article
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    Synthesis and structures of lithium alkoxytris(dimethylphenylsilyl)borates

    A. Tsurusaki, K. Yoshida and S. Kyushin, Dalton Trans., 2017, Advance Article , DOI: 10.1039/C7DT00395A

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