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An anomalous course of the reduction of 2-(3-oxo-3,4-dihydro-quinoxalin-2-yl)benzene diazonium salt. Synthesis of a new quinoxalino[1,2-c][1,2,3]benzotriazine system

✍ Scribed by Iveta Wiedermannová; Jan Slouka; Otakar Humpa; Karel Lemr

Publisher: Journal of Heterocyclic Chemistry
Year: 2003
Tongue: English
Weight: 27 KB
Volume: 40
Category: Article
ISSN: 0022-152X
DOI: 10.1002/jhet.5570400226

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✦ Synopsis

Abstract

By diazotization of 3‐(2‐aminophenyl)quinoxaline‐2(l__H__)‐one la and 3‐(2‐aminophenyl)‐6,7‐dimethylquinoxaline‐2(l__H__)‐one 1b followed by the reaction with sodium sulphite new quinoxalino[1,2‐c]‐[1,2,3]benzotriazins 4a and 4b were prepared, respectively.

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