Novel one-pot approach to 2-aminofuran derivatives via multicomponent reaction of 3-hydroxy-4H-pyran-4-ones, α-ketoaldehydes and methylene active nitriles
2020
Komogortsev, Andrey N. | Melekhina, Valeriya G. | Lichitsky, Boris V. | Minyaev, Michail E.
A novel efficient one-pot method for the preparation of 2-aminofurans was developed based on multicomponent reaction of 3-hydroxy-4H-pyran-4-ones, α-ketoaldehydes and methylene active nitriles. A distinctive feature of the proposed approach is the formation of 2-aminofurans in contrast to related literature methods leading to 2-aminopyrans. The advantages of this synthesis include high yields, mild reaction conditions, atom economy and easy workup procedure, which can avoid chromatographic purifications. The structure of one of the 2-aminofuran derivatives was determined by X-ray diffraction.
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