Supersilyliertes Ethen trans-(tBu3Si)HC=CH(SitBu3) und Ethin (tBu3Si)C≡C(SitBu3)
Supersilylated ethene trans-(tBu3Si)HC=CH(SitBu3) and ethyne (tBu3Si)C≡C(SitBu3)
- The supersilylated ethene trans-(tBu3Si)HC=CH(SitBu3) (triclinic, P ī) is accessible from the reaction of tBu3SiCHBr2 with nBuLi at −78 °C in THF or Et2 O. The reaction of Li(H2NCH2CH2NH2)C≡CH with tBu3SiBr leads to the formation of (tBu3Si)C≡CH and (tBu3Si)C≡C(SitBu3). X-Ray quality crystals of (tBu3Si)C≡C(SitBu3) (triclinic, P ī) were obtained by recrystallization from hexane. In contrast to the structures of the disilane tBu3Si-SitBu3 and the disiloxane tBu3Si-O-SitBu3, the sterically crowded ethene trans-(tBu3Si)HC=CH(SitBu3) and ethyne (tBu3Si)C≡C(SitBu3) feature dihedral angles of 60° in the solid-state structures.
Author: | Hannes VitzeGND, Ulrich WietelmannORCiD, Alexander MursoGND, Michael BolteORCiD, Matthias WagnerORCiD, Hans-Wolfram LernerORCiDGND |
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URN: | urn:nbn:de:hebis:30:3-807336 |
DOI: | https://doi.org/10.1515/znb-2009-0213 |
ISSN: | 1865-7117 |
ISSN: | 0932-0776 |
Parent Title (German): | Zeitschrift für Naturforschung, B |
Publisher: | Verlag der Zeitschrift für Naturforschung |
Place of publication: | Tübingen |
Document Type: | Article |
Language: | German |
Date of Publication (online): | 2014/06/02 |
Year of first Publication: | 2009 |
Publishing Institution: | Universitätsbibliothek Johann Christian Senckenberg |
Release Date: | 2024/01/26 |
Tag: | Carbene; Crystal Structure Analysis; Ethene; Ethyne; Supersilyl |
Volume: | 64.2009 |
Issue: | 2 |
Page Number: | 6 |
First Page: | 223 |
Last Page: | 228 |
Institutes: | Biochemie, Chemie und Pharmazie / Biochemie und Chemie |
Dewey Decimal Classification: | 5 Naturwissenschaften und Mathematik / 54 Chemie / 540 Chemie und zugeordnete Wissenschaften |
Sammlungen: | Universitätspublikationen |
Licence (German): | Creative Commons - Namensnennung-Nicht kommerziell-Keine Bearbeitung 3.0 |