Entry

Reaction time

Yield (%)

MW (hrs or min?)

Classical (hrs)

MW

Classical

3a

7

17

76

72

3b

8

18

79

69

3c

6

18

77

67

3d

7

19

80

68

3e

8

18

81

65

3f

9

17

83

66

3g

6

20

80

70

3h

8

22

77

64

3i

8

21

81

65

3j

7

19

80

68

3k

7

20

80

66

3l

7

20

84

67

3m

8

19

80

68

3n

9

21

82

66

3o

9

20

79

65

3p

7

19

84

70

3q

8

21

81

69

3r

7

22

77

67

3s

6.9

22

78

68

3t

7

20

74

61

Table 3: Comparison of reaction time and yield of synthesized chalcones under
MW and classical method.