Table 2 Magnetic catalysts comparison.

From: CuFe2O4 nanoparticles via thermal decomposition as recyclable magnetic catalysts for perimidine synthesis

Entry

Catalyst

Cycles

Reaction time (min)

Yield (%) Refs.

1

Fe3O4@SiO2@(CH2)3NHCO-adenine sulfonic acid

4

25

95 − 8846

2

Fe3O4-GO-ZrO2

3

15

< 9575

3

Fe3O4/SO3H@zeolite-Y

5

4

98 − 9144

4

Fe3O4@NCs/BF0.2

4

5

95 − 8076

5

Fe3O4@b-CD-ZrO

4

10

< 9045

6

CuFe2O4 MNPs

6

3

99 − 80

(this work)