Supporting Information ________________________________________________________________________ Formation and Reactivity of New Nicholas-Ferrier Pyranosidic Cations: Novel Access to Oxepanes via a 1,6-Hydride Shift/Cyclization Sequence Ana M. Gómez,* Fernando Lobo, Daniel Pérez de las Vacas, Serafín Valverde, and J. Cristóbal López* Instituto de Química Orgánica General (CSIC), Juan de la Cierva 3, 28006 Madrid, Spain; E-mail: anagomez@iqog.csic.es (AMG); clopez@iqog.csic.es Table of Contents 1. General methods.....……………………………………………………………..2 2. Preparation and characterization data of compounds………………..…….....3-16 3. Copies of 1 H and 13 C NMR spectra • 1 H NMR and 13 C NMR spectra of 7b…………………………………..17-18 • 1 H NMR and 13 C NMR spectra of 8a………………………………...…19-20 • 1 H NMR and 13 C NMR spectra of 8b…………………………………..21-22 • 1 H NMR and 13 C NMR spectra of 9a…………………………………...23-24 • 1 H NMR and 13 C NMR spectra of 9b…………………………………..25-26 • 1 H NMR, and 13 C NMR spectra of 10……………………………......…27-28 • 1 H NMR, 13 C NMR and NOE spectra of 11 ………………………......29-31 • 1 H NMR and 13 C NMR spectra of demetalated-11…………………....32-33 • 1 H NMR and 13 C NMR spectra of 12………………………………….. 34-35 • 1 H NMR and 13 C NMR spectra of desilylated-8b……………………..36-37 Supplementary Material (ESI) for Chemical Communications This journal is (c) The Royal Society of Chemistry 2010