Abstract
A reaction of activated silicon with alcohols in an autoclave at 240—270 °C was studied. It was found that primary alcohols form tetraalkoxysilanes Si(OR)4 with high selectivity (up to 97%), while the secondary PriOH gave a mixture of compounds HSi(OPri)3, Si(OPri)4, HSi(OPri)2OSi(OPri)2H, HSi(OPri)2OSi(OPri)3, and Si(OPri)3OSi(OPri)3 with the predominance of trialkoxysilane (up to 67%). Carrying out the reaction under the indicated conditions has the advantage of experimental simplicity, reagent availability, high conversion of silicon, good isolated yields of products.
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Dedicated to Academician of the Russian Academy of Sciences R. Z. Sagdeev on the occasion of his 75th birthday.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 2, pp. 0260—0266, February, 2017.
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Krylova, I.V., Egorov, M.P. & Nefedov, O.M. Reaction of silicon with alcohols in autoclave. Russ Chem Bull 66, 260–266 (2017). https://doi.org/10.1007/s11172-017-1726-7
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DOI: https://doi.org/10.1007/s11172-017-1726-7