Deoligomerization of siloxanes with dimethyl carbonate over solid-base catalysts

Masaki Okamoto; Kuon Miyazaki; Akihiro Kado; Eiichi Suzuki

doi:10.1039/b104371b

Deoligomerization of siloxanes with dimethyl carbonate over solid-base catalysts

Masaki Okamoto, Kuon Miyazaki, Akihiro Kado, Eiichi Suzuki

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

24 Citations (Scopus)

Abstract

Hexamethyldisiloxane and hexamethylcyclotrisiloxane were almost completely deoligomerized with dimethyl carbonate over alumina-supported potassium fluoride catalyst to form methoxytrimethylsilane (85% yield) and dimethoxydimethylsilane (94% yield), respectively, and moreover the addition of a small amount of methanol to the hexamethyldisiloxane deoligomerization reaction enhanced the methoxytrimethylsilane yield to 98%.

Original language	English
Pages (from-to)	1838-1839
Number of pages	2
Journal	Chemical Communications
Volume	1
Issue number	18
DOIs	https://doi.org/10.1039/b104371b
Publication status	Published - 2001 Jan 1
Externally published	Yes

ASJC Scopus subject areas

Catalysis
Electronic, Optical and Magnetic Materials
Ceramics and Composites
Chemistry(all)
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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abstract = "Hexamethyldisiloxane and hexamethylcyclotrisiloxane were almost completely deoligomerized with dimethyl carbonate over alumina-supported potassium fluoride catalyst to form methoxytrimethylsilane (85% yield) and dimethoxydimethylsilane (94% yield), respectively, and moreover the addition of a small amount of methanol to the hexamethyldisiloxane deoligomerization reaction enhanced the methoxytrimethylsilane yield to 98%.",

author = "Masaki Okamoto and Kuon Miyazaki and Akihiro Kado and Eiichi Suzuki",

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AU - Suzuki, Eiichi

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AB - Hexamethyldisiloxane and hexamethylcyclotrisiloxane were almost completely deoligomerized with dimethyl carbonate over alumina-supported potassium fluoride catalyst to form methoxytrimethylsilane (85% yield) and dimethoxydimethylsilane (94% yield), respectively, and moreover the addition of a small amount of methanol to the hexamethyldisiloxane deoligomerization reaction enhanced the methoxytrimethylsilane yield to 98%.

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