Chart 5. Products from Trifluoromethylazidation of Natural Productsa.
a Conditions: 5 (2 equiv), TMSN3 (1.5 equiv), 10 mol % Fe(OAc)2, 11 mol % ligand L1, and 0.1 mmol of the substrate in CH3CN at 23 °C. bReaction was conducted in EtOAc. Isolated yields of major CF3/azide products were reported unless mentioned otherwise. The ratios of isomers were determined by 19F NMR analysis of the crude reaction mixtures.