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Proton catalysis of nucleophilic substitution at pentacoordinate silicon

Bassindale, Alan R.; Baukov, Yuri I.; Taylor, Peter and Negrebetsky, Vadim V. (2002). Proton catalysis of nucleophilic substitution at pentacoordinate silicon. Journal of Organometallic Chemistry, 655(1-2) pp. 1–6.

DOI (Digital Object Identifier) Link: http://dx.doi.org/10.1016/S0022-328X(02)01395-5
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Abstract

Addition of acid to the pentacoordinate fluorosilane 8, leads to enhanced exchange of fluorine and loss of diastereotopicity of the silicon methyl groups. A DNMR study of the H-1-NMR spectra suggests a dissociative mechanism involving protonation of the fluorine leaving group. Variable temperature studies suggest that at lower temperatures the tetracoordinate form is favoured. (C) 2002 Elsevier Science B.V. All rights reserved.

Item Type: Journal Article
ISSN: 0022-328X
Keywords: hypervalent silicon; stereochemistry; halosilanes; crystal
Academic Unit/Department: Other Departments > Vice-Chancellor's Office
Science > Life, Health and Chemical Sciences
Interdisciplinary Research Centre: Biomedical Research Network (BRN)
Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
Item ID: 6168
Depositing User: Astrid Peterkin
Date Deposited: 18 Jan 2007
Last Modified: 24 Nov 2014 12:13
URI: http://oro.open.ac.uk/id/eprint/6168
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