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Table 2 Effects of material ratio on yield of acetophenone derivatives

From: Application of α-bromination reaction on acetophenone derivatives in experimental teaching: a chemical innovation experiment engaging junior undergraduates

Molar Ratio

1.0 : 0.8

1.0 : 1.0

1.0 : 1.1

4-Trifluoromethylacetophenone (%)

82 ± 7

88 ± 4

90 ± 5

4-Trifluoromethoxyacetophenone (%)

73 ± 3

86 ± 4

88 ± 6

4-Chloroacetophenone (%)

62 ± 5

80 ± 7

85 ± 4

4-Bromoacetophenone (%)

60 ± 6

69 ± 5

78 ± 4

4-Iodoacetophenone (%)

43 ± 3

55 ± 4

66 ± 5

4-Phenylacetophenone (%)

45 ± 5

58 ± 4

70 ± 4