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00925njm 22002777a 4500 dc Roscales García, Silvia author Ortega Garrido, Víctor author García Csaky, Aurelio author 2018 The repertoire of synthetic transformations of the products of the Achmatowicz rearrangement has been expanded by exploring their reactivity with potassium organotrifluoroborates in the absence of transition metals. Depending on the reaction conditions and the substitution pattern of the starting material, the reaction may lead to the stereoselective synthesis of dihydropyranones (2,6-trans), tetrahydropyranones (2,3-cis-2,6-cis) or functionalized 1,4-dicarbonyl compounds. The method has also been adapted for the one-pot synthesis of functionalized pyrroles. Roscales, Silvia, et al. «Selective Functionalization of Achmatowicz Rearrangement Products by Reactions with Potassium Organotrifluoroborates under Transition-Metal-Free Conditions». The Journal of Organic Chemistry, vol. 83, n.o 18, septiembre de 2018, pp. 11425-36. DOI.org (Crossref), https://doi.org/10.1021/acs.joc.8b01643. https://doi.org/10.1021/acs.joc.8b01643 https://hdl.handle.net/20.500.14352/125561 https://doi.org/10.1021/acs.joc.8b01643 https://pubs.acs.org/doi/10.1021/acs.joc.8b01643 Selective Functionalization of Achmatowicz Rearrangement Products by Reactions with Potassium Organotrifluoroborates under Transition-Metal-Free Conditions