1 SUPPORTING INFORMATION Gold(I) and Platinum(II) switch: A post-Ugi intramolecular hydroarylation to pyrrolopyridinones and pyrroloazepinones Sachin G. Modha, a,b Amit Kumar, a,c Dipak D. Vachhani, a Sunil K. Sharma, c Virinder S. Parmar, c and Erik V. Van der Eycken* a a Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, KU Leuven, Celestijnenlaan 200F, B-3001, Leuven, Belgium. b Present address: “Mani Bhuvan”, Nr. Lohana Mahajan Vadi, Chhaya-360 578, Porbandar, Gujarat, India. c Bioorganic Laboratory, Department of Chemistry, University of Delhi, Delhi- 110 007, India. Corresponding author: erik.vandereycken@chem.kuleuven.be Table of Contents This page .................................................................................................................................1 General experimental procedures….........................................................................................2 General procedure of Ugi reaction……………………………………………………….3-5 Optimization of the intramolecular hydroarylation………………………………………...6 General procedure and data for Au(PPh 3 )OTf catalyzed cyclization…………………...7-11 General procedure and data for PtCl 2 catalyzed cyclization……………………………12-15 Copies of 1 H, 13 C and NOESY NMR spectra...................................................................16-33 Electronic Supplementary Material (ESI) for Chemical Communications This journal is © The Royal Society of Chemistry 2012