Reaction of various aldehydes under optimization conditions catalyzed by Fe3O4@SiO2-APTES-Fe2LDARa.
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Reaction conditions: Fe3O4@SiO2-APTES-Fe2LDAR (40.0 mg, 1.2 mol%), 3,5-di-tert-butylbenzene-1,2-diol (0.5 mmol), NH4OAc (0.5 mmol) and aldehyde (0.5 mmol), H2O (7 mL), 70 °C and reflux.