Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Synthesis of 1, 1-Diheteroaryl Ethylenes by a Tandem Appel's Dehydration/Thermal Rearrangement Methodology

  • Published : 1999.03.20
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Abstract

The hydrazones of 2-acetylfuran, 2-acetylthiophene, and 2-acetylpyrrole, were allowed to react with S-methylthioacetimidate hydroiodide (8) to give azinoureas 10, and the reaction of 10 with Appel's dehydration conditions (triphenylphosphine/carbon tetrachloride/triethylamine) led to the corresponding azinocarbodiimides 11, which underwent thermal rearrangement under the reaction conditions to give 1,1-diheteroaryl ethylenes 13.

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References

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  13. Two isomers were not determined