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Issue 47, 2010
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CH-Anion versus anion-π interactions in the crystal and in solution of pentafluorobenzyl phosphonium salts

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Abstract

A series of phosphonium salts with pentafluorobenzyl substituents have been synthesized and were investigated in the crystal as well as in solution. The solid state structures of 1a, 1b and 2d reveal the presence of anion-π as well as CH-anion interactions. The two attractive, yet competitive forces seem to act in concert and a directing effect of the CH interaction on the relative position between anion and π-system is observed. The search for anion-π interactions in solution failed. Only CH-anion interactions proved to be important in solution.

Graphical abstract: CH-Anion versus anion-π interactions in the crystal and in solution of pentafluorobenzyl phosphonium salts

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Article information


Submitted
01 Jul 2010
Accepted
23 Sep 2010
First published
27 Oct 2010

Dalton Trans., 2010,39, 11329-11334
Article type
Paper

CH-Anion versus anion-π interactions in the crystal and in solution of pentafluorobenzyl phosphonium salts

M. Müller, M. Albrecht, J. Sackmann, A. Hoffmann, F. Dierkes, A. Valkonen and K. Rissanen, Dalton Trans., 2010, 39, 11329
DOI: 10.1039/C0DT00766H

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