Entry

Substrate 2

Conditions

Yields of 3 (%)

1

2

3

4

5

6

7

8

R1 = OMe

R2 = H

R3 = H

R1 = OEt

R2 = H

R3 = H

R1 = OMe

R2 = OMe

R3 = H

R1 = H

R2 = OMe

R3 = OMe

Irradiation of MW (300 W)

Conventional Heating

Irradiation of MW (300 W)

Conventional Heating

Irradiation of MW (300 W)

Conventional Heating

Irradiation of MW (300 W)

Conventional Heating

38

(p:o = 5:1)

21

(p:o = 7:1)

42

(p:o = 5:1)

32

(p:o = 5:1)

52

54

26

20