Reaction of silicon with alcohols in autoclave

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 Pr i OH gave a mixture of compounds HSi(OPr i ) 3 , Si(OPr i ) 4 , HSi(OPr i ) 2 OSi(OPr...

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Bibliographic Details
Published in:Russian chemical bulletin 2017-02, Vol.66 (2), p.260-266
Main Authors: Krylova, I. V., Egorov, M. P., Nefedov, O. M.
Format: Article
Language:English
Subjects:
Alcohol
Alcohols
Autoclaving
Availability
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Full Articles
Inorganic Chemistry
Organic Chemistry
Selectivity
Silicon
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Summary: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 Pr i OH gave a mixture of compounds HSi(OPr i ) 3 , Si(OPr i ) 4 , HSi(OPr i ) 2 OSi(OPr i ) 2 H, HSi(OPr i ) 2 OSi(OPr i ) 3 , and Si(OPr i ) 3 OSi(OPr i ) 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.
ISSN:1066-5285
1573-9171
DOI:10.1007/s11172-017-1726-7