Table 1 Optimization of photoinduced silanol synthesis

1

None

95

2

In dark

NR

3

White LEDs instead of blue LEDs

14

4

Air instead of O₂

56

5

N₂ instead of O₂

< 15

6

Dichloroethane instead of dichloromethane

85

7

Chlorobenzene instead of dichloromethane

26

8

Bromobenzene instead of dichloromethane

5

9

CH₃CN instead of dichlorobenzene

11

10

2.0 equiv. of H₂O instead of 5.0 equiv.

78

11

10.0 equiv. of H₂O instead of 5.0 equiv.

93

12

12 h instead 28 h

73