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Lead Oxide (PbO) Mediated Synthesis of Quinoxaline

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Lead oxide is used as an efficient oxidizing agent in the oxidation and condensation reaction of hydroxy ketone with diamine leading to form quinoxaline derivatives. The method is simple, cost effective and gives good yields in shorter reaction times. H N 2 H N 2 N N R1 O OH R1 + PbO R 1 2 3 R

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