Copper-catalyzed Oxidative Desulfurization-promoted Intramolecular Cyclization of Thioamides Using Molecular Oxygen as an Oxidant : An Efficient Route to Five- to Seven-membered Nitrogen-containing Heterocycles
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Copper-catalyzed oxidative desulfurization-promoted intramolecular cyclization reactions of thioamides take place under neutral and mild conditions by using molecular oxygen as an oxidant. The process yields a wide variety of nitrogen-containing heterocycles with high efficiency.
- Chemistry Letters
Chemistry Letters 37(6), 646-647, 2008-06-05
The Chemical Society of Japan