Scheme 2. Substrate Scope for the Reaction of 1,3-dicarbonyls with Benzylamines^–

Reaction conditions: 1,3-dicarbonyl (1 mmol), benzylamine (2 mmol), Cu-BPy@Am-SiO₂@Fe₃O₄ (30 mg), H₂O₂ (3 equiv), I₂ (1.2 equiv), DMF (3 mL), r.t.

Conversion percentages determined via GC-MS have been given in parentheses.

TON is the number of moles of the product per mole of the catalyst.