
Inorganic Chemistry p. 2265 - 2267 (1977)
Update date:2022-08-31
Topics:
Hagen, Arnulf P.
Jones, Don J.
The siloxane linkage forms when silicon compounds having an alkyl group are combined with covalent oxides at increased pressure. Tetramethylsilane forms hexamethyldisiloxane when combined with CO2 (200°C), H2O (250°C), and N2O (360°C) at 4000 atm. Methylfluorosilanes of the type (CH3)xSiFy (x + y = 4) also react with nitrous oxide with the reactivity declining in the order (CH3)2SiF2 > (CH3)3SiF > (CH3)4Si ? CH3SiF3. When dimethyldifluorosilane is combined with nitrous oxide at 3800 atm (230°C), a 90% yield of the previously unreported substance (CH3SiF2)2O is obtained.
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