. 2021 Sep 14;6(39):25608–25622. doi: 10.1021/acsomega.1c03672

Table 2. Preparation of 2-Amino-4H-chromene Derivatives Using the Schiff Base Complex of Copper Coated on Epoxy-Modified Fe₃O₄@SiO₂ MNPs^a.

Reaction conditions: various aldehyde (1 mmol), phenol (1 mmol), malononitrile (1 mmol), phenol (1 mmol), catalyst (0.05 g), and EtOH (2 mL) reflux conditions.

Isolated yield.

Table 2. Preparation of 2-Amino-4H-chromene Derivatives Using the Schiff Base Complex of Copper Coated on Epoxy-Modified Fe3O4@SiO2 MNPsa.

Table 2. Preparation of 2-Amino-4H-chromene Derivatives Using the Schiff Base Complex of Copper Coated on Epoxy-Modified Fe₃O₄@SiO₂ MNPs^a.