Issue 5, 2016

Synthetic strategies to bicyclic tetraphosphanes using P1, P2 and P4 building blocks

Abstract

Different reactions of Mes* substituted phosphanes (Mes* = 2,4,6-tri-tert-butylphenyl) led to the formation of the bicyclic tetraphosphane Mes*P4Mes* (5) and its unknown Lewis acid adduct 5·GaCl3. In this context, the endoexo isomer of 5 was fully characterized for the first time. The synthesis was achieved by reactions involving “self-assembly” of the P4 scaffold from P1 building blocks (i.e. primary phosphanes) or by reactions starting from P2 or P4 scaffolds (i.e. a diphosphene or cyclic tetraphosphane). Furthermore, interconversion between the exoexo and endoexo isomer were studied by 31P NMR spectroscopy. All compounds were fully characterized by experimental as well as computational methods.

Graphical abstract: Synthetic strategies to bicyclic tetraphosphanes using P1, P2 and P4 building blocks

Supplementary files

Article information

Article type
Paper
Submitted
20 Jul 2015
Accepted
28 Aug 2015
First published
28 Aug 2015
This article is Open Access
Creative Commons BY license

Dalton Trans., 2016,45, 1998-2007

Author version available

Synthetic strategies to bicyclic tetraphosphanes using P1, P2 and P4 building blocks

J. Bresien, K. Faust, C. Hering-Junghans, J. Rothe, A. Schulz and A. Villinger, Dalton Trans., 2016, 45, 1998 DOI: 10.1039/C5DT02757H

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