Direct synthesis of methyldimethoxysilane from metallic silicon and methanol using copper(I) chloride catalyst

Masaki Okamoto; Hidenori Abe; Yukari Kusama; Eiichi Suzuki; Yoshio Ono

doi:10.1016/S0022-328X(00)00543-X

Direct synthesis of methyldimethoxysilane from metallic silicon and methanol using copper(I) chloride catalyst

Masaki Okamoto, Hidenori Abe, Yukari Kusama, Eiichi Suzuki, Yoshio Ono

Research output: Contribution to journal › Article › peer-review

13 Citations (Scopus)

Abstract

When the reaction of metallic silicon with methanol in the presence of a small amount of thiophene was carried out at 653 K, methyldimethoxysilane was formed together with trimethoxysilane and tetramethoxysilane, the selectivity for methyldimethoxysilane being 22%. Further adding a small amount of trioxane, trimer of formaldehyde, to the reaction system improved the selectivity for methyldimethoxysilane. This indicates that formaldehyde formed by the dehydrogenation of methanol takes part in methyldimethoxysilane formation. The reaction of silicon with ethanol also gave a 14% selectivity of ethyldiethoxysilane with a 43% silicon conversion.

Original language	English
Pages (from-to)	74-79
Number of pages	6
Journal	Journal of Organometallic Chemistry
Volume	616
Issue number	1-2
DOIs	https://doi.org/10.1016/S0022-328X(00)00543-X
Publication status	Published - 2000 Dec 15
Externally published	Yes

Keywords

Copper catalyst
Direct synthesis
Metallic silicon
Methanol
Organosilane

ASJC Scopus subject areas

Biochemistry
Physical and Theoretical Chemistry
Organic Chemistry
Inorganic Chemistry
Materials Chemistry

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10.1016/S0022-328X(00)00543-X

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title = "Direct synthesis of methyldimethoxysilane from metallic silicon and methanol using copper(I) chloride catalyst",

abstract = "When the reaction of metallic silicon with methanol in the presence of a small amount of thiophene was carried out at 653 K, methyldimethoxysilane was formed together with trimethoxysilane and tetramethoxysilane, the selectivity for methyldimethoxysilane being 22%. Further adding a small amount of trioxane, trimer of formaldehyde, to the reaction system improved the selectivity for methyldimethoxysilane. This indicates that formaldehyde formed by the dehydrogenation of methanol takes part in methyldimethoxysilane formation. The reaction of silicon with ethanol also gave a 14% selectivity of ethyldiethoxysilane with a 43% silicon conversion.",

keywords = "Copper catalyst, Direct synthesis, Metallic silicon, Methanol, Organosilane",

author = "Masaki Okamoto and Hidenori Abe and Yukari Kusama and Eiichi Suzuki and Yoshio Ono",

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T1 - Direct synthesis of methyldimethoxysilane from metallic silicon and methanol using copper(I) chloride catalyst

AU - Okamoto, Masaki

AU - Abe, Hidenori

AU - Kusama, Yukari

AU - Suzuki, Eiichi

AU - Ono, Yoshio

PY - 2000/12/15

Y1 - 2000/12/15

N2 - When the reaction of metallic silicon with methanol in the presence of a small amount of thiophene was carried out at 653 K, methyldimethoxysilane was formed together with trimethoxysilane and tetramethoxysilane, the selectivity for methyldimethoxysilane being 22%. Further adding a small amount of trioxane, trimer of formaldehyde, to the reaction system improved the selectivity for methyldimethoxysilane. This indicates that formaldehyde formed by the dehydrogenation of methanol takes part in methyldimethoxysilane formation. The reaction of silicon with ethanol also gave a 14% selectivity of ethyldiethoxysilane with a 43% silicon conversion.

AB - When the reaction of metallic silicon with methanol in the presence of a small amount of thiophene was carried out at 653 K, methyldimethoxysilane was formed together with trimethoxysilane and tetramethoxysilane, the selectivity for methyldimethoxysilane being 22%. Further adding a small amount of trioxane, trimer of formaldehyde, to the reaction system improved the selectivity for methyldimethoxysilane. This indicates that formaldehyde formed by the dehydrogenation of methanol takes part in methyldimethoxysilane formation. The reaction of silicon with ethanol also gave a 14% selectivity of ethyldiethoxysilane with a 43% silicon conversion.

KW - Copper catalyst

KW - Direct synthesis

KW - Metallic silicon

KW - Methanol

KW - Organosilane

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