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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 23, 1993 - Issue 15
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Original Articles

Selective Halogenation of 1,4-Benzoquinones and 1,4-Naphthoquinones with Copper(II) Halide Adsorbed on Alumina

Prem Kr. Singh Department of Chemistry, University of Delhi, Delhi, 110007, India
&
Rajinder N. Khanna Department of Chemistry, University of Delhi, Delhi, 110007, India
Pages 2083-2089 | Received 18 Jan 1993, Published online: 23 Sep 2006
 
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Abstract

1,4-Benzoquinone or 1,4-naphthoquinone and their derivatives have been halogenated selectively at quinonoid positions with copper(II) halide adsorbed on neutral alumina followed by refluxing in halobenzene to give mono- di-, tri- and tetra-halo-quinones.

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