A catalyst- and additive-free synthesis of alkoxyhydrosiloxanes from silanols and alkoxyhydrosilanes

A convenient method for the selective synthesis of alkoxyhydrosiloxanes that bear SiH and SiOR 2 groups on the same silicon atom, R 1 3 Si-O-SiR 3 2− n (OR 2 ) n H ( n = 0, 1, or 2), via a simple catalyst- and additive-free dealcoholization reaction between silanols and alkoxyhydrosilanes has been d...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2020-07, Vol.56 (59), p.8218-8221
Main Authors: Satoh, Yasushi, Fuchise, Keita, Nozawa, Takeshi, Sato, Kazuhiko, Igarashi, Masayasu
Format: Article
Language:English
Subjects:
Catalysts
Chemical synthesis
Hydrosilylation
Platinum
Silicon
Siloxanes
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Summary:A convenient method for the selective synthesis of alkoxyhydrosiloxanes that bear SiH and SiOR 2 groups on the same silicon atom, R 1 3 Si-O-SiR 3 2− n (OR 2 ) n H ( n = 0, 1, or 2), via a simple catalyst- and additive-free dealcoholization reaction between silanols and alkoxyhydrosilanes has been developed. These alkoxyhydrosiloxanes can be easily converted into Si(OR 2 ) 3 -containing siloxanes by zinc catalyzed alkoxylation and alkoxy-containing silphenylene polymers by platinum catalyzed hydrosilylation. A convenient method for the selective synthesis of alkoxyhydrosiloxanes that bear SiH and SiOR groups on the same silicon atom via a catalyst- and additive-free dealcoholization reaction between silanols and alkoxyhydrosilanes has been developed.
ISSN:1359-7345
1364-548X
DOI:10.1039/d0cc03379k