Indium(i) iodide was found to catalyze the formal alpha-addition of an alpha-methylallylboronate to various N-acylhydrazones, in the presence of an alcohol additive, to afford the corresponding anti-alpha-adducts with high regio- and diastereoselectivity in high yields.
Department of Chemistry, School of Science and Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan. shu_kobayashi@chem.s.u-tokyo.ac.jp