Synthesis and reactivity of the first isolated hydrogen-bridged silanol-silanolate anions.

Weitkamp R, Neumann B, Stammler H-G, Hoge B (2020)
Angewandte Chemie International Edition 59(14): 5494-5499.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Abstract / Bemerkung
We report on the first examples of isolated silanol-silanolate anions, utilizing weakly coordinating phosphazenium counterions. The silanolate anions are synthesized by the reaction of the recently published phosphazenium hydroxide hydrate salt with siloxanes. The silanol-silanolate anions are postulated intermediates in the hydroxide mediated polymerization of aryl and alkyl siloxanes. The silanolate anions are strong nucleophiles due to the weakly coordinating character of the phosphazenium cation, which is perceptible in their activity in polysiloxane depolymerization. © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Erscheinungsjahr
2020
Zeitschriftentitel
Angewandte Chemie International Edition
Band
59
Ausgabe
14
Seite(n)
5494-5499
ISSN
1433-7851
eISSN
1521-3773
Page URI
https://pub.uni-bielefeld.de/record/2939575

Zitieren

Weitkamp R, Neumann B, Stammler H-G, Hoge B. Synthesis and reactivity of the first isolated hydrogen-bridged silanol-silanolate anions. Angewandte Chemie International Edition. 2020;59(14):5494-5499.
Weitkamp, R., Neumann, B., Stammler, H. - G., & Hoge, B. (2020). Synthesis and reactivity of the first isolated hydrogen-bridged silanol-silanolate anions. Angewandte Chemie International Edition, 59(14), 5494-5499. doi:10.1002/anie.201914339
Weitkamp, R., Neumann, B., Stammler, H. - G., and Hoge, B. (2020). Synthesis and reactivity of the first isolated hydrogen-bridged silanol-silanolate anions. Angewandte Chemie International Edition 59, 5494-5499.
Weitkamp, R., et al., 2020. Synthesis and reactivity of the first isolated hydrogen-bridged silanol-silanolate anions. Angewandte Chemie International Edition, 59(14), p 5494-5499.
R. Weitkamp, et al., “Synthesis and reactivity of the first isolated hydrogen-bridged silanol-silanolate anions.”, Angewandte Chemie International Edition, vol. 59, 2020, pp. 5494-5499.
Weitkamp, R., Neumann, B., Stammler, H.-G., Hoge, B.: Synthesis and reactivity of the first isolated hydrogen-bridged silanol-silanolate anions. Angewandte Chemie International Edition. 59, 5494-5499 (2020).
Weitkamp, Robin, Neumann, Beate, Stammler, Hans-Georg, and Hoge, Berthold. “Synthesis and reactivity of the first isolated hydrogen-bridged silanol-silanolate anions.”. Angewandte Chemie International Edition 59.14 (2020): 5494-5499.
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