Entry

Substrate 2

Conditions

Yields of 3 (%)^b

1

2

3

4

5

6

R₁ = H

R₂ = H

R₃ = H

R₁ = Me

R₂ = H

R₃ = H

R₁ = Me

R₂ = Me

R₃ = Me

Irradiation of MW (300 W)

Conventional Heating

Irradiation of MW (300 W)

Conventional Heating

Irradiation of MW (300 W)

Conventional Heating

4

5

63

(p:o = 5:1)

60

(p:o = 5:1)

69

70