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SYNTHESIS OF POLYSUBSTITUTED FURANS FROM ARYL gem-DIBROMOETHENES

Wensheng Zhang, Wenjing Xu
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Abstract


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.

 


Keywords


aryl gem-dibromoethene; cesium carbonate; ethyl acetoacetate; furan, silver carbonate; synthesis

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