Entry

1a (mmol)

3 (eq)

NaH (eq)

Solvent

Source energy activation

Time (h)

Yield (%)

4a

5

6a

7

1

3.3

3

1.5

Toluene

MW

1

-a

55

-

-

2

3.3

9

3

Toluene

MW

3

60

-

-

-

3

16.6

9

3

Toluene

MW

1.5

87

-

-

-

4

66.6

9

3

Toluene

r. t.

1.6

11

-

29

5

5

33.3

9

3

Toluene

55˚Cb

1

87

-

-

-

6

33.3

9

3

THF

55˚Cb

0.25

62

-

-

-