Efficient one-pot synthesis of quinoxalines in the presence of zinc iodide as catalyst
JN Sangshetti, ND Kokare, DB Shinde
Index: Sangshetti; Kokare; Shinde Russian Journal of Organic Chemistry, 2009 , vol. 45, # 7 p. 1116 - 1118
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Citation Number: 6
Abstract
Quinoxaline and its derivatives constitute an important class of benzo-fused heterocycles with a broad spectrum of biological activity, which have made them privileged structural fragments of pharmacologically active compounds [1–4]. Quinoxaline derivatives are generally synthesized by condensation of arene-1, 2-diamines with 1, 2-dicarbonyl compounds in organic solvents under reflux (2–12 h); their yields range from 34 to 85%[5]. ...
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