ChemInform Abstract: Catalytic Asymmetric Hetero-Diels-Alder Reactions of Enones with Isatins to Access Functionalized Spirooxindole Tetrahydropyrans: Scope, Derivatization, and Discovery of Bioactives.

A series of spirooxindole tetrahydropyrans (III) and (VIII) is prepared by an organocatalytic asymmetric hetero-Diels-Alder reaction of isatins with enones. [ABSTRACT FROM AUTHOR]