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Synthetic Communications
An International Journal for Rapid Communication of Synthetic Organic Chemistry
Volume 24, 1994 - Issue 12
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Original Articles

A Convenient Synthesis of 4-Chloro- and 4-Bromocinnolines from o-Aminophenylacetylenes

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Pages 1733-1736 | Received 17 Nov 1993, Published online: 23 Sep 2006
 

Abstract

4-Chlorocinnolines and 4-bromocinnolines have been obtained in fair to good yields by diazotation of o-aminophenylacetylenes with sodium nitrite and concentrated hydrochloric acid or hydrobromic acid at temperatures between 25 and 30°C.

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