Abstract
An efficient synthetic procedure for the functionalized 3,4,10,11‐tetrahydroindolo[1,2‐a]quinoxalines was successfully developed by the three‐component reaction of dimedone, 3‐nitrochromenes, and ammonium acetate in ethanol. This reaction has the advantages of using common starting material, short reaction process, and good yields high‐atom efficiency.
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