Issue 11, 2002
From the journal:

Journal of the Chemical Society, Perkin Transactions 1

Quinolizine-2,4-diones by reversible dimerisation 2-pyridylketenes†

Carsten Plüg,a   Arvid Kuhna  and  Curt Wentrup*a  

* Corresponding authors

a Department of Chemistry, The University of Queensland, Brisbane, Qld 4072, Australia
E-mail: wentrup@mailbox.uq.edu.au

Abstract

Quinolizine-2,4-diones 11 are obtained by flash vacuum thermolysis (FVT) of 3-acyl-1,2,3-triazolo[1,5-a]pyridines 7. The reaction takes place via methyl- and phenyl(2-pyridyl)ketenes 10, which are directly observable by infrared spectroscopy in low temperature matrices. FVT of 11 regenerates the ketenes 10.

Graphical abstract: Quinolizine-2,4-diones by reversible dimerisation 2-pyridylketenes

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Article information

DOI
https://doi.org/10.1039/B202523J
Article type
Paper
Submitted
12 Mar 2002
Accepted
15 Apr 2002
First published
30 Apr 2002

J. Chem. Soc., Perkin Trans. 1, 2002, 1366-1368

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Quinolizine-2,4-diones by reversible dimerisation 2-pyridylketenes

C. Plüg, A. Kuhn and C. Wentrup, J. Chem. Soc., Perkin Trans. 1, 2002, 1366 DOI: 10.1039/B202523J

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