Copper-Catalyzed Synthesis of Quinoxalines with <i>o-</i>Phenylenediamine and Terminal Alkyne in the Presence of Bases
2011-09-02T00:00:00Z (GMT)
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A novel way of synthesizing quinoxalines efficiently through cyclization of <i>o-</i>phenylenediamine and terminal alkyne by Cu(II) and bases is developed. This reaction proceeds smoothly to give the products in moderate to good yields.
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CC BY-NC 4.0