Preparation of Alkyl-substituted Partial Trimethylsilyl Silicates from Olivine

DOI: 10.1039/DT9810001957

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 1957 - 1960 (1981)

Update date:2022-08-03

Topics: Characterization Workup and Purification

Authors:

Kuroda, Kazuyuki

Koike, Tetsuhiro

Kato, Chuzo

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Article abstract of DOI:10.1039/DT9810001957

The direct trimethylsilylation reaction of olivine has yielded partial trimethylsilyl derivatives of ortho- and di-silicates whose unsilylated silanol groups have been esterified with the alcohol used as the organic solvent in the trimethylsilylating reagent.Gas chromatographic-mass spectroscopic measurements indicate the presence of the tri-, di-, and mono-alkyl-substituted trimethylsilyl derivatives of monosilicic acid in addition to the fully silylated monomeric derivative .Dimeric derivatives have also been detected which contain both the completely trimethylsilylated derivative and alcohol-esterified derivatives .The ratio of the esterified products varies with the volume of alcohol or water in the silylating reagent as well as the reaction time.

Full text of DOI:10.1039/DT9810001957

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