Table 3 Comparison of the polyhydroquinolines synthesis in presence of various catalysts.

From: Microporous hierarchically Zn-MOF as an efficient catalyst for the Hantzsch synthesis of polyhydroquinolines

Entry

Catalyst

Time (min)

Yield (%)a

Ref.

1

FeAl2O4

180

90

52

2

Fe3O4@D-NH-(CH2)4-SO3H

90

86

53

3

Fe3O4@FSM-16-SO3H

25

86

54

4

Fe3O4-TEDETA-Br3

120

92

55

5

Fe3O4@SiO2@(CH2)3Im}C(NO2)3

18

89

56

6

Fe3O4@SiO2–PEG/NH2

20

96

57

7

Fe3O4@GA@IG

45

89

41

8

AIL-SCMNPs

15

80

58

9

Zn-MOF

85

96

This work

  1. aIsolated yield.
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