Synthesis of 2-Aminoquinoxalines via One-Pot Cyanide-Based Sequential Reaction under Aerobic Oxidation Conditions
2014
Cho, Yeon-Ho | Kim, Kyung-Hee | Cheon, Cheol-Hong
A highly efficient synthesis of 2-aminoquinoxalines has been developed via the one-pot two-step cyanide-mediated sequential reactions of ortho-phenylenediamines with aldehydes under aerobic oxidation conditions. A variety of substrates, including aliphatic aldehydes bearing acidic α-protons, are applicable to this protocol and afford the desired 2-aminoquinoxalines in high yields.
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