Select. (%)

Entry

Cat.

Temp. (˚C)

Conversion (%)

β-adduct

α-adduct

propylbenzene

Dehydrogenative silylation

1

2

3

4

5

6

7

8 9

10

11

12

13

14

Karstedt

Platinum black

Karstedt

Platinum black

Karstedt

Platinum black

Karstedt

Platinum black

Karstedt

Platinum black

Karstedt

Platinum black

Karstedt

Platinum black

20

20

40

40

50

50

60

60

70

70

80

80

90

90

No reaction

No reaction

96

94

91

89

88

85

83

79

80

75

79

71

/

/

100

100

100

100

97.8

94.2

96.2

91.8

94.3

89

94.1

81.3

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

/

2.2

5.8

3.8

8.2

5.7

11

5.9

18.7

/

/

/

/

/

/

/

/

/

/

/

/

/

/