Supporting Information S1 Catalytic Direct Acetoxylation of Indoles Ilga Mutule, Edgars Suna* Latvian Institute of Organic Synthesis, Aizkraukles 21, LV-1006, Riga, Latvia Kristofer Olofsson †,§ , Benjamin Pelcman † † Orexo AB, Box 303, SE-751 05, Uppsala, Sweden § Medical Products Agency, Box 26, SE-751 03 Uppsala, Sweden edgars@osi.lv CONTENTS General S2 Experimental procedures for synthesis of starting indoles 1 S2 General Acetoxylation Procedures S9 Compound Characterization S9 1 H and 13 C NMR Spectra of starting indoles 1 S24 1 H and 13 C NMR Spectra of acetoxylated indoles 2 S32 The X-ray structure of 3 S49 The X-ray structure of 6c S57