Fe–Cu–chloride ionic liquid immobilized SBA-15 for solvent-free oxidation of styrene to benzaldehyde with H2O2

Copper, iron–chloride ionic liquid (IL) grafted SBA-15 via chloropropylsilane linking demonstrated an effective catalytic performance for the solvent-free oxidation of styrene to benzaldehdye (BzH) with TON 330.5 mol mol Fe+Cu −1 and 71% selectivity.