S1 Supporting Information BF 3 .2CF 3 CH 2 OH (BF 3 .2TFE), an Efficient Superacidic Catalyst for Some Organic Synthetic Transformations G. K. Surya Prakash, *a Thomas Mathew, a Eric R. Marinez, a Pierre M. Esteves, b Golam Rasul a and George A. Olah *a a Donald P. and Katherine B. Loker Hydrocarbon Research Institute and Department of Chemistry, University of Southern California, Los Angeles, CA 90089-1661 b Instituto de Química, Universidade Federal do Rio de Janeiro, Cidade Universitária CT Bloco A, 21949-900, Rio de Janeiro, Brazil E-mail: gprakash@usc.edu Table of Contents Contents Page General S2 General Experimental Procedure S2-3 NMR Spectra of BF 3 .2TFE Complex S4-10 1 H NMR Spectra and 13 C NMR Spectrum (Table 2- iii) of Products S11-28 Cartesian Coordinates of TFE.BF 3 , (TFE) 2 .BF 3 , S29-32 [(TFE) 2 .BF 3 ] 2 and [(TFE) 2 .BF 3 ] 2