Organocatalytic synthesis of N-arylaziridines Sean P. Bew,* Shirley Fairhurst, § David L. Hughes, Laurent Legentil, Sanket Nigudkar, Paolo Pesce and Martin A. Wilson * School of Chemical Sciences & Pharmacy, University of East Anglia, Norwich, NR4 7TJ, UK; § Department of Biological Chemistry, John Innes Centre, Norwich Research Park, NR4 7UH, UK s.bew@uea.ac.uk S1 – S2 Index S3 General protocols S4 General procedure for aldimine synthesis & synthesis and characterization data of rac-8 (X=N) S5 Synthesis and characterization data of rac-8 (X=C) S6 Synthesis and characterization data of rac-8 (X=C) S7 Synthesis and characterization data of rac-13 S8 Synthesis and characterization data of rac-14 S9 Synthesis and characterization data of rac-15 S10 Synthesis and characterization data of rac-16 S11 Synthesis and characterization data of rac-17 S12 Synthesis and characterization data of rac-18 S13 Synthesis and characterization data of rac-19 S14 Synthesis and characterization data of rac-20 S15 Synthesis and characterization data of rac-21 S16 Synthesis and characterization data of rac-cis-23 S17 Synthesis and characterization data of rac-cis-24 S18 Synthesis and characterization data of rac-27 S19 Synthesis and characterization data of rac-28 S19 References S20 1 H-NMR for rac-8 S21 13 C-NMR for rac-8 S22 1 H-NMR for rac-13