Amine-azide conversion using Fe 3 O 4 @NH 2. i. Prepare the azido-transfer reagent as outlined in Box 1. ii. Disperse Fe 3 O 4 @NH 2 NPs (500 mg, 2.25 × 10 −4 mol) in MeOH (25 ml) in a 50-ml ...

To make vicinal diamines, in which neighboring carbons each have an attached amine group, chemists generally expose alkenes to harsh chemical oxidants, which can produce environmentally toxic by ...