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Issue 55, 2014
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B(C6F5)3 promoted cyclisation of internal propargyl esters: structural characterisation of 1,3-dioxolium compounds

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Abstract

The reactions of internal propargyl esters with B(C6F5)3 provide access to stable zwitterionic 1,3-dioxolium compounds which are characterised by X-ray diffraction. These 6π-electron systems show no significant aromatic stabilisation.

Graphical abstract: B(C6F5)3 promoted cyclisation of internal propargyl esters: structural characterisation of 1,3-dioxolium compounds

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Supplementary files

Article information


Submitted
21 Feb 2014
Accepted
01 May 2014
First published
12 May 2014

Chem. Commun., 2014,50, 7243-7245
Article type
Communication
Author version available

B(C6F5)3 promoted cyclisation of internal propargyl esters: structural characterisation of 1,3-dioxolium compounds

M. M. Hansmann, R. L. Melen, F. Rominger, A. S. K. Hashmi and D. W. Stephan, Chem. Commun., 2014, 50, 7243
DOI: 10.1039/C4CC01370K

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