Method of selective reduction of polyhalosilanes with alkyltin hydrides

Patent · Tue Mar 21 04:00:00 EST 1989

OSTI ID:5542294

Sharp, K G; D'Errico, J J

This patent describes a method of reduction of at least one of the silicon-X bonds of a halosilane to a silicon-hydrogen bond. The halosilane is of the formula X{sub {ital m}}SiH{sub {ital n}}F{sub {ital y}}R{sup 1}{sub 2}, where m is 1, 2, 3, or 4; n is 0, 1, or 2; y is 0, 1, 2, or 3; z is 0, 1, or 2; n + y + z is less than or equal to 3 m + n + y + z is equal to 4; X is independently selected from the group consisting of Cl, Br, or I; and R{sup 1} is an alkyl group having one to twenty carbon atoms, the method consisting essentially of contacting the halosilane with an alkyltin hydride of the formula R{sup 2}{sub {ital x}}SnH{sub (4{minus}{ital x})}, wherein x is 3, 2, or 1, and wherein R{sup 2} is an alkyl group containing 1 to 10 carbon atoms, or an aryl group of 6 to 10 carbon atoms, whereby at least one of the silicon-X bonds of the halosilane is reduced to a silicon-hydrogen bond.

• Assignee: Dow Corning Corp., Midland, MI (USA)
• Patent Number(s): A; US 4814155
• Application Number: PPN: US 7-078444A
• OSTI ID: 5542294
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
CARBON
CHEMICAL BONDS
CHEMICAL REACTIONS
ELEMENTS
HALIDES
HALOGEN COMPOUNDS
HYDRIDES
HYDROGEN
HYDROGEN COMPOUNDS
NONMETALS
ORGANIC COMPOUNDS
ORGANIC SILICON COMPOUNDS
REDUCTION
SEMIMETALS
SILANES
SILICON
SILICON COMPOUNDS