Data for the compounds characterised in: Title: Regiodivergent Synthesis of 4- and 5-Sulfenyl Oxazoles from Alkynyl thioethers Authors: Prakash Sekar, Aniket Gupta, Laura E. English, Claire E. Rabbitt, Louise Male, Andrew R. Jupp* and Paul W. Davies* The compounds files are ordered by the compound numbers in the manuscript (open access). The files contain the relevant copies of raw data for 1H NMR, 13C NMR, High resolution Mass Spec as pdf file, and X-ray data (as .cif file and checkCIF file as pdf file) of 3bb & 3db.