1. General remarks ...................................................................................................... 3 2. Catalyst synthesis ..................................................................................................... 4 2.1.Ligand preperation ............................................................................................... 4 2.2. Synthesis of metal porphyrin complexes ............................................................ 4 3. Fluorocyclopropanation Procedure ....................................................................... 6 4. Probing stereoselctivity ......................................................................................... 35 5. Synthesis of F-cirazoline analogue ....................................................................... 37 6. Procedure for [2;3]-sigmatropic rearrangement ................................................ 40 7. Procedure for X-H insertion reactions ................................................................. 42 8. Upscale of Fluorocyclopropanation...................................................................... 45 6.References ................................................................................................................ 46 7.NMR spectra............................................................................................................ 47