Abstract
The reaction of o-(chloromethyl)phenols with enamino ketones afforded a series of 3-acyl- and 3-formyl-4H-chromenes as a result of cascade transformation including [4 + 2]-cycloaddition of enamino ketone to o-quinone methide generated in situ and subsequent elimination of secondary amine.
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Original Russian Text © A.V. Lukashenko, D.V. Osipov, V.A. Osyanin, Yu.N. Klimochkin, 2016, published in Zhurnal Organicheskoi Khimii, 2016, Vol. 52, No. 12, pp. 1824–1827.
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Lukashenko, A.V., Osipov, D.V., Osyanin, V.A. et al. Reaction of 2-chloromethylphenols with enaminones. Russ J Org Chem 52, 1817–1821 (2016). https://doi.org/10.1134/S1070428016120186
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DOI: https://doi.org/10.1134/S1070428016120186