Vázquez Galiñanes, NuriaAndón Rodríguez, MariñaGómez Roibás, PatriciaFañanás-Mastral, Martín2020-04-272020-04-272020Vázquez-Galiñanes, N.; Andón-Rodríguez, M.; Gómez-Roibás, P.; Fañanás-Mastral, M. Beilstein J. Org. Chem. 2020, 16, 611–615. doi:10.3762/bjoc.16.56http://hdl.handle.net/10347/21780Copper catalysis allows the direct oxygen alkenylation of dialkyl phosphonates with alkenyl(aryl)iodonium salts with selective transfer of the alkenyl group. This novel methodology proceeds with a wide range of phosphonates under mild conditions and gives straightforward access to valuable enol phosphonates in very good yields.eng© 2020 Vázquez-Galiñanes et al.; licensee Beilstein-Institut. This is an Open Access article under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0). Please note that the reuse, redistribution and reproduction in particular requires that the authors and source are credited. The license is subject to the Beilstein Journal of Organic Chemistry terms and conditions: (https://www.beilstein-journals.org/bjoc)http://creativecommons.org/licenses/by/4.0AlkenylationCopperC(sp2)–O Bond FormationHypervalent IodinePhosphonatesjournal article10.3762/bjoc.16.561860-5397open access