Entry

Catalyst

code

Catalyst composition

Conversion

%

Product yield (%)

(2)

(3)

(4)

(5)

1

ALH 6

ZrO₂

-

-

-

-

-

2

ALH 7

${\text{ZrO}}_{\text{2}}/{\text{SO}}_4^{2-}$ (0.5 M)

34

28

-

-

-

3

ALH 8

${\text{ZrO}}_{\text{2}}/{\text{SO}}_4^{2-}$ (1 M)

36

30

4

ALH 9

ZrO₂/Nb (3%)

5 >

-

traces

traces

traces

5

ALH 10

ZrO₂/Nb (5%)

5 >

-

traces

traces

traces

6

ALH 11

ZrO₂-SO₄^2-

40

35

-

-

-