Journal
ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 15, Issue 10, Pages -Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ob00122c
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Funding
- University of Delhi
- UGC/CSIR
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A copper-catalyzed oxidative coupling reaction of o-phenylenediamines with 2-aryl/heteroarylethylamines using molecular oxygen as an oxidant has been developed. This approach provides a practical and direct access to construct quinoxalines in excellent yields at room temperature. The reaction has a broad substrate scope and exhibits excellent functional-group tolerance. This method could be easily scaled up and applied to the synthesis of biologically active molecules bearing a quinoxaline structural scaffold.
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