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Table 2 Yield % of the synthesized bis(imidazo[1,2- a ]pyridine) and bis(imidazo[1,2- a ]pyrimidine) derivatives 8a-e and 9a-d

From: Microwave assisted synthesis of bis and tris(ω-bromoacetophenones): versatile precursors for novel bis(imidazo[1,2-a]pyridines), bis(imidazo[1,2-a]pyrimidines) and their tris-analogs

Entry

X

Y

8a-e( o-isomer)

Yield%a

Yield%a

    

Δ

MW

1

2

CH

8a

78

81

2

3

CH

8b

69

74

3

4

CH

8c

72

89

4

2

N

8d

53

70

5

3

N

8e

63

83

   

9a-d( p- isomer)

  

6

3

CH

9a

55

82

7

4

CH

9b

65

87

8

3

N

9c

68

78

9

4

N

9d

64

86

  1. aYields of isolated compounds.
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BMC Chemistry

ISSN: 2661-801X

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