Download PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... CuI-mediated conjugate addition of Grignard reagents to α-iodo cycloalkenones afforded β-substituted α-iodo cycloalkanones in good to excellent yields. ... Here we report results on conjugate addition of Grignard reagents to α-iodo cycloalkenones, which provides a new entry to β-substituted ...