Transition-Metal-Free Photoinduced Intramolecular Annulation of 2,3-Di(hetero)arylchromen-4-one
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An efficient transition-metal-free photoinduced intracyclization of 4H-chromen-4-ones in EtOH–H2O (7:1, v/v) at ambient temperature for the construction of complicated fused-ring heteroaromatics is established. The reaction proceeds smoothly without requiring any catalysts/additives.
创建时间：
2017-06-15
