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Table 2 Comparison of the present work with literature data

From: Zirconia-based catalyst for the one-pot synthesis of coumarin through Pechmann reaction

Entry

Catalyst

Time (min.)

Temperature (°C)

Solvent

Yield

References

1

Zeolite BEA

240

130

PhNO2

63

[29]

2

PFPAT

180

110

Toluene

90

[30]

3

MFRH

50

80

S.F.

65

[30]

4

Nanoreactors

60

130

S.F.

30

[30]

5

CMK-5-SO3H

20

130

S.F.

95

[7]

6

CMK-5

60

130

S.F.

10

[7]

8

ZrO2-TiO2

180

Room temperature

S.F.

97

This work

9

ZrO2-TiO2

110

60

Toluene

95

This work

10

ZrO2-TiO2

150

60

Ethanol

92

This work

  1. PhNO 2 nitrophenol, S.F. solvent-free condition

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