Abstract
Reformatsky reagent obtained from methyl 1-bromocyclopentanecarboxylate and zinc selectively added to the carbon–carbon double bond of the heterocyclic fragment of 3-(3-arylacryloyl)-2H-chromen-2-ones to give the corresponding addition products after hydrolysis of the reaction mixture. According to the X-ray diffraction data, the products exist in the enol form. Despite the use of excess Reformatsky reagent, elevated temperature, and prolonged reaction time, neither addition to the acryloyl fragment nor intramolecular cyclization of the addition products was observed.
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This study was financially supported by the world-level Perm Scientific and Educational Center “Rational Subsoil Use,” 2024.
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Nikiforova, E.A., Zverev, D.P., Dmitriev, M.V. et al. Reaction of 3-(3-Arylacryloyl)-2H-chromen-2-ones with Methyl 1-Bromocyclopentanecarboxylate and Zinc. Russ J Org Chem 60, 568–575 (2024). https://doi.org/10.1134/S107042802404002X
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DOI: https://doi.org/10.1134/S107042802404002X