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Synthesis 2004(6): 905-908  
DOI: 10.1055/s-2004-816008
PAPER
© Georg Thieme Verlag Stuttgart · New York

Practical Synthesis of Chlorosilyl-Functionalized Triphenylphosphanes

Delphine Quintard, Manfred Keller, Bernhard Breit*
Institut für Organische Chemie und Biochemie, Albert-Ludwigs-Universität Freiburg, Albertstr. 21, 79104 Freiburg, Germany
Fax: +49(761)2038715; e-Mail: bernhard.breit@organik.chemie.uni-freiburg.de;
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Publikationsverlauf

Received 29 January 2004
Publikationsdatum:
15. März 2004 (online)

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Abstract

A practical synthesis of ortho-dialkylchlorosilyl-functionalized triarylphosphanes has been developed. An X-ray crystal structure analysis of phosphane 3 unambiguously confirmed the constitution of the new phosphane functionalized chlorosilanes. It also showed an interesting P/Si interaction, which may render this compound a model for the early stages of the mechanism of SN2 nucleophilic displacement at silicon.

Key words

phosphorus - silicon - ligands

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Crystallographic data (excluding structure factors) for the structure reported in this paper have been deposited with the Cambridge Crystallographic Data Centre as supplementary publication no. CCDC-229247. Copies of the data can be obtained free of charge on application to CCDC, 12 Union Road, Cambridge CB21EZ, UK [Fax: +44(1223)336033; E-Mail: deposit@ccdc.cam.ac.uk].