Tetrahedron Letters

Quinoxaline synthesis in novel tandem one-pot protocol

…, B Madhav, KHV Reddy, YVD Nageswar

Index: Anil Kumar; Madhav; Harsha Vardhan Reddy; Nageswar Tetrahedron Letters, 2011 , vol. 52, # 22 p. 2862 - 2865

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Citation Number: 38

Abstract

Abstract A variety of quinoxalines were synthesized via tandem one-pot procedure for the first time in water medium. The key strategy was the in situ preparation of α-halo-β-keto esters by the reaction of N-bromo succinimide with β-keto esters and further condensation with phenylene diamines. This novel eco-friendly approach offers an easy, efficient, and mild synthesis of highly substituted quinoxalines in good yields.