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Autor:
Roman Lytvyn, Alexandra I. Lesyuk, Yuriy I. Horak, Vasyl Kinzhybalo, Mykola D. Obushak, Fedor I. Zubkov, Andriy R. Vakhula
Publikováno v:
Chemistry of Heterocyclic Compounds. 54:545-549
5-Aryl-2-furaldehydes, obtained by furfural arylation with arenediazonium salts, react with ethyl acetoacetate or acetylacetone and (thio)-urea in the presence of FeCl3·6H2O as a catalyst. A series of ethyl 4-(5-aryl-2-furyl)-6-methyl-2-oxo(thioxo)-