An efficient and stereoselective procedure for the preparation of E-1-alkenylphosphonates by copper-mediated cross-coupling between 1,1-dibromo-1-alkenes and dialkyl phosphites is reported. The reaction allows for formal substitution of both bromine atoms, respectively, by an hydrogen and a dialkoxyphosphoryl.
G. Evano, K. Tadiparthi and F. Couty, Chem. Commun., 2011, 47, 179 DOI: 10.1039/C0CC01617A
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