ChemInform Abstract: An Organocatalytic Domino Michael‐Alkylation Reaction: Highly Enantioselective Construction of Spiro‐Cyclopentanoneoxindoles and Tetronic Acid Scaffolds. Issue 15 (April 2015) - Zhou, Jing
Abstract: The title reaction of methyleneindolinones with ketoester (II) results in the formation of various spiro‐cyclopentanoneoxindoles which are obtained in high yields, good diastereoselectivities and excellent enantioselectivities via α‐alkylation.