Issue 56, 2015
From the journal:

Chemical Communications

Facile rotation around a silicon–phosphorus double bond enabled through coordination to tungsten†

Nora C. Breit,a   Tibor Szilvásib  and  Shigeyoshi Inoue*a  

* Corresponding authors

a Institut für Chemie, Technische Universität Berlin, Straße des 17. Juni 135, Sekr. C2, D-10623 Berlin, Germany
E-mail: shigeyoshi.inoue@tu-berlin.de

b Department of Inorganic and Analytical Chemistry, Budapest University of Technology and Economics, Szent Gellért tér 4, 1111 Budapest, Hungary

Abstract

Unprecedented E/Z isomerisation of a Si[double bond, length as m-dash]P bond was observed by temperature dependent NMR spectroscopy. DFT calculations showed that the coordination of phosphasilene to tungsten lowered the rotational barrier from 19.1 to 14.2 kcal mol−1. The thermodynamically more stable phosphinosilylene tungsten complex is formed at elevated temperatures through substituent migration.

Graphical abstract: Facile rotation around a silicon–phosphorus double bond enabled through coordination to tungsten

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Article information

DOI
https://doi.org/10.1039/C5CC04247J
Article type
Communication
Submitted
22 May 2015
Accepted
09 Jun 2015
First published
10 Jun 2015
This article is Open Access
Creative Commons BY license

Chem. Commun., 2015,51, 11272-11275

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Facile rotation around a silicon–phosphorus double bond enabled through coordination to tungsten

N. C. Breit, T. Szilvási and S. Inoue, Chem. Commun., 2015, 51, 11272 DOI: 10.1039/C5CC04247J

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