Nucleophilic substitution of vinylic iodide of methyl 2-(1-hydroxyalkyl)-3-
iodo prop-2-enoates 8 in the presence of magnesium dialkyl cuprates generat
ed in situ provided a stereoselective methodology for the synthesis of infr
equent beta-substituted Baylis-Hillman products. (C) 2000 Elsevier Science
Ltd. All rights reserved.