Pd(II)-Catalyzed meta-C—H Olefination, Arylation, and Acetoxylation of Indolines Using a U-Shaped Template.

C2- or C5-monosubstituted, C2-C3-fused and spiro-substituted indolines, furo and pyrroloindolines, indoles, and tetrahydro-β-carboline structural motifs are olefinated by means of the nitrile-containing templates Tem and Tep.