In this research the reaction between alkyl(aryl) isocyanides, dibenzoylacetylene, ninhydrin and ammonium acetate leads to production of highly functionalized inminofuranes. A dynamic NMR effect is observed in the 1H NMR spectra of these compounds as a result of restric More
In this research the reaction between alkyl(aryl) isocyanides, dibenzoylacetylene, ninhydrin and ammonium acetate leads to production of highly functionalized inminofuranes. A dynamic NMR effect is observed in the 1H NMR spectra of these compounds as a result of restricted rotation around the single bond linking the indole moiety and the furan system. The free-energy of activation (ΔG#) for this process is 75-83 kJ mol-1.
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