Synthesis of 2,3,5-trisubstituted furans can be performed at 120°C in DMF using aryl gem-dibromoethenes and ethyl acetoacetate as the starting substrates under the assistance of Ag2CO3–Cs2CO3–KOAc system. The structures of the products were confirmed by IR, 1H, 13C NMR spectroscopy and elemental analysis.
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Published in Khimiya Geterotsiklicheskikh Soedinenii, 2017, 53(5), 615–617
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Zhang, W., Xu, W. Synthesis of polysubstituted furans from aryl gem-dibromoethenes. Chem Heterocycl Comp 53, 615–617 (2017). https://doi.org/10.1007/s10593-017-2100-2
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DOI: https://doi.org/10.1007/s10593-017-2100-2