1 Supporting Information New highly soluble dimedone-derived iodonium ylides: preparation, X-ray structure, and reaction with carbodiimide leading to oxazole derivatives Chenjie Zhu a,b , Akira Yoshimura a , Pavlo Solntsev a , Lei Ji a , Yunyang Wei b , Victor N. Nemykin a, *, and Viktor V. Zhdankin a, * a Department of Chemistry and Biochemistry, University of Minnesota Duluth, Duluth, Minnesota 55812, USA b School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China Table of Contents pp 1. General experimental remarks 2 2. Optimization study of the reaction with diisopropylcarbodiimide using ylide 1 2 3. Optimization study of the reaction with diisopropylcarbodiimide using ylide 5b 5 4. Preparation and characterization of ylide 1 6 5. Preparation and characterization of ethers of 2-iodophenol 3 6 6. Preparation and characterization of 1-diacetoxy-2-alkoxyphenyl-λ 3 -iodanes 4 7 7. Preparation and characterization of 2-alkoxyphenyliodonium ylides 5 9 8. General procedure for the reaction with carbodiimides using 5b 14 9. References 19 10. Spectra of products 20 Electronic Supplementary Material (ESI) for Chemical Communications This journal is © The Royal Society of Chemistry 2012