S1 Supporting Information Palladium-Catalyzed Stereospecific Oxidative Cascade Reaction of Allenes for the Construction of Pyrrole Rings: Control of Reactivity and Selectivity Man-Bo Li, † Erik Svensson Grape, ‡ and Jan-E. Bäckvall* ,† † Department of Organic Chemistry, Arrhenius Laboratory, Stockholm University, SE-10691 Stockholm Sweden ‡ Department of Materials and Environmental Chemistry, Arrhenius Laboratory, Stockholm University, SE-10691 Stockholm Sweden E-mail: jeb@organ.su.se Table of Contents General information S2 General procedure for the preparation of starting materials S3-S11 Reaction of allene 1fa with alkyne 2a S12 Reaction of allene 1fb with alkyne 2a S13 Table S1. Optimization of reaction conditions S14 Typical procedure for the formation of 3 S15-S21 Typical procedure for the formation of 4 S22-S27 Typical procedure for the formation of 5 S28-S39 Removal of N-tosyl group S40 Synthesis of (R)-1h, (R)-3ha and (R)-4ha S41-S43 Kinetic isotope effect (KIE) experiments S44-S46 Crystal structure determination of 3ja, 4ha and 5je S47-S50 References S51 1 H NMR and 13 C NMR spectra of compounds S52-S197