Cascade fluorofunctionalisation of 2,3-unsubstituted indoles by means of electrophilic fluorination Tuan Minh Nguyen,* Hung A. Duong,* Jean-Alexandre Richard, Charles W. Johannes, Pincheng Fu, Danson Kwong Jia Ye, and Eileen Lau Organic Chemistry, Institute of Chemical and Engineering Sciences (ICES), Agency for Science, Technology and Research (A*STAR), 8, Biomedical Grove, Neuros, #07-01, Singapore 138665 nguyen_minh@ices.a-star.edu.sg ; duong_hung@ices.a-star.edu.sg SUPPLEMENTARY INFORMATION I) Experimental Section S2-S21 II) Abbreviations S22 III) References S23 IV) 1 H , 13 C NMR and 19 F NMR Spectra of Compounds S24-S79 Electronic Supplementary Material (ESI) for Chemical Communications This journal is © The Royal Society of Chemistry 2013