Chemical Communications · 2005 · 129 citations · 38 references
We synthesize quinoxalines, catalyzed by manganese(IV) dioxide, from a variety of alpha-hydroxyketones followed by trapping with aromatic or aliphatic 1,2-diamines without using a solvent, within one minute under microwave irradiation.
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Microwave assisted organic synthesis—a review
Pelle Lidström, Jason Tierney, Bernard Wathey et al. · Tetrahedron · 2001 · 2.6K citations