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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 31, 2001 - Issue 15
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Original Articles

NEW SYNTHESIS OF 5,10-DIOXYPHENAZINE-2-CARBOXYLIC ACID

Michelyne Haroun Laboratoire de Chimie Thérapeutique associé au CNRS et à l'Université René Descartes (UMR 8638), Faculté des Sciences Pharmaceutiques et Biologiques, 4 avenue de l'Observatoire, Paris, Cedex 06, 75270, France
,
Philippe Helissey Laboratoire de Chimie Thérapeutique associé au CNRS et à l'Université René Descartes (UMR 8638), Faculté des Sciences Pharmaceutiques et Biologiques, 4 avenue de l'Observatoire, Paris, Cedex 06, 75270, France
&
Sylviane Giorgi-Renault Laboratoire de Chimie Thérapeutique associé au CNRS et à l'Université René Descartes (UMR 8638), Faculté des Sciences Pharmaceutiques et Biologiques, 4 avenue de l'Observatoire, Paris, Cedex 06, 75270, France
Pages 2329-2334 | Received 24 Jul 2000, Published online: 09 Nov 2006
 
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Abstract

Phenazine di-N-oxides substituted in the 2-position by a carboxylic function were prepared in few steps from 4-amino-3-nitrobenzoic acid via the formation of methyl 5,10-dioxy-6,7,8,9-tetrahydrophenazine-2-carboxylate without purification of the intermediates.

ACKNOWLEDGMENT

M.H. thanks the National Council for Scientific Research of Lebanon for financial support.

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